Page 121 - Metode Penelitian Kuantitatif, Kualitatif, dan Penelitian Gabungan by Muri Yusuf (z-lib.org)
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BAGIAN KEDUA:GIAN KEDUA: METODE PENELITIAN KUANTITATIFMETODE PENELITIAN KUANTITATIF
                      B
                       A


                                                      ∑ ∑
                                                                                    7
                                                         y
                                                                                   ,
                                                                                     9
                                                                                 0
                                                          )
                            ∑  ∑  y   ==  ∑ ∑ y y    −−  ( ( y) 2 2  = =  9 96,4751−−  3 30,79 2 2  = =  1 1,67269


                                                                    ,
                                  2 2
                                                2 2
                                                                                                      9
                                                                                                    6
                                                                                                  2
                                                                  6
                                                                                               6
                                                                          1
                                                                                              ,
                                                                         5
                                                                     4
                                                                                                7
                                                                       7
                                y

                                                       N N                        10
                                                                                  1
                                                                                    0
                                                               (∑∑
                                                        ∑  ∑
                                                           x
                                                                       )
                                                                   x
                                                              )
                                                                                                    8
                                                                                             3
                                                                                                  6


                                                                                           7
                                                                                                      4
                                                                                         2
                                                                                                x
                                                                                       1
                                  1 1 2 ∑
                            ∑  ∑  x x x == ∑  x x x    −−  ( ( x )( x )  = =  8 87658    −−  1273 x 684  = =  5 584,8


                                                                     2 2
                                                             1 1
                                                                                   8
                                                 x
                                                                               6
                                                                                 5
                                   x
                                                                             7
                                                                                                               4
                                                                                                                  8
                                                                                                                 ,
                                                                                                             8
                                                  2
                                               1 1 2
                                     2
                                                              N N                             1 0
                                                                                              10
                                                      ∑  ∑
                                                             (∑∑
                                                            )
                                                                   )
                                                         x
                                                                 y
                                                                                        2
                                                                                                      7
                                                                                          7
                                                                                                       9
                                                                                            3


                                                                                               x
                                                                                                 3
                                                                                      1
                                                                                                     ,
                                                                                                   0
                            ∑  ∑  x x y   ==   ∑ ∑ x x y    −− ( ( x )( y)  = =  3 3949,85−−  1273 x 30,79  = =  3 30,283
                                                                          9


                                                          1 1
                                                                           4
                                   y
                                                y
                                                                                8
                                                                                  5
                                                                             9
                                                                               ,
                                                                                                                    8
                                                                                                               0
                                                                                                                     3
                                                                                                                  2
                                                                                                                 ,
                                  1 1
                                               1 1
                                                           N N                                10
                                                                                                0
                                                                                              1
                                                              (∑∑
                                                       ∑  ∑
                                                          x
                                                                  y
                                                                    )
                                                                                                 3
                                                                                                   0
                                                                                           4

                                                                                                     ,
                                                                                                       9
                                                                                        6
                                                                                                     7
                                                                                          8

                                                                                              x
                            ∑  ∑  x x y   ==   ∑ ∑ x x y    −− ( ( x ))( y)  = =  2 2135,22−−  684 x 30,79  = =  2 29,184

                                                                           1

                                                           2 2
                                                                            3
                                                                                ,
                                                                                                                     4
                                                                                 2
                                                                                   2
                                                                                                                   8
                                                                              5
                                                                                                               9
                                   y
                                                                                                                 1
                                                 y
                                                                                                                ,
                                                2 2
                                  2 2
                                                                                              1
                                                                                                0
                                                            N N                               10

                                       n
                                                                                                                                      a
                                                       k
                                      t
                                                                                                                    t

                                                a
                                                                                                                               a
                                                                                                                                   a
                                                                                                                             h
                                                                                                                                r
                                             m

                                                                                                                                 g
                                          a
                                                   u
                                                                                                                       k
                                                                                                                     u
                                                    k
                                                 s
                                         y

                                                                                                                        a
                                                                                                                          n
                                                                                                                  n
                                                                            m
                                                                           a
                                                                               a
                                                                                             a
                                                                                               n

                                                                     pe
                                                                         s
                                                                        r
                                                                                      i
                                                                                  n

                                                                                     s
                                                                                       m
                                                                                           l
                                                                                            t
                                                                                a
                                                                                          u
                                                                                                           m
                                                                                                             e
                                                                                                        k

                                                                                                               n

                                                         e
                                                           d
                                                                                                                 e
                                                                                                   n
                                                                                                     t
                                                                                                  u

                                                                 m
                                                                                                      u
                                                             a
                                                               a
                                                               l
                                    u
                            S
                                a
                                    j
                              e
                                  n
                            Selanjutnya masuk ke dalam persamaan simultan untuk menentukan harga a
                               l
                                                                                                                                        1 1
                              :
                       a
                         n

                            a
                      d
                      dan a :
                             2 2
                            ∑
                              x
                                                                     ∑

                                                        ∑
                                                                       x
                                 y
                                                                  a
                                                  =
                                                             2 2
                                                          x
                       .
                                                              +
                                                     a
                      1.  ∑x y                    = a ∑x + a ∑x x
                      1
                                                                          x

                                1 1                    1 1  1 1    2 2   1 1  2 2
                                 y

                                                     a
                                                  =
                                                                    a
                                                                +

                                                             x
                      2.  ∑x y                    = a ∑x x  + a ∑xx        2 2
                                                        ∑
                            ∑
                      2
                              x

                                                          x
                       .
                                                                       ∑
                                2 2                    1 1  1 1 2    2 2   2 2
                                                              2
                                                  =
                                                       3
                                                                          ,
                                                                          8
                                                              a

                                                     8
                                                           1

                                                                             a
                            3 0 , 2 8 3           = 832,1 a + 584,8 a                    ( D i b a g i   5 8 4 , 8 )
                                                                      8
                                                                                         (Dibagi 584,8)

                            30,283
                                                           ,
                                                                    5
                                                                 +
                                                                        4
                                                         2
                                                                1 1            2 2
                                                                                         (Dibagi 730,4)
                            29,184
                                                  = 584,8 a  + 730,4 a
                            2 9 , 1 8 4           =  5 8 4 , 8   a    +  7 3 0 , 4   a   ( D i b a g i   7 3 0 , 4 )
                                                                1 1             2 2
                            0 , 0 5 1 7 8 3 5 1 5    =   1 , 1 4 2 2 8 7 9 6 1   a    +  a
                            0,051783515  = 1,142287961 a  + a
                                                                          1 1    2 2
                                                             6
                                                        8
                                                           0
                                                          0
                                                       ,
                                                                         a
                                                                      4
                                                  =
                            0,03995619

                                                                  1
                            0 , 0 3 9 9 5 6 1 9    = 0,800657174 a  + a
                                                                    7
                                                               5
                                                     0
                                                                                a

                                                                 7

                                                                            +
                                                                          1 1    2 2  – –
                                                                         a

                              0
                                                                      7
                                                               3
                                                                 0
                                                             6
                              ,
                            0
                                                           1
                                                                    8
                            0,011827325  = 0,341630787 a
                                                                  7
                                         3
                                                       ,
                                                        3
                                1
                                    8
                                                     0
                                     2

                                       7
                                             5
                                                  =
                                  1
                                                          4

                                           2
                                                                          1 1
                            a a  =    0 , 0 0 3 4 6 2 0 1 9 6
                                 = 0,0034620196
                             1 1
                                 = 0,051783515 – (0,034620196 x 1,42287961 = 0,012237281
                            a a  =    0 , 0 5 1 7 8 3 5 1 5   –   ( 0 , 0 3 4 6 2 0 1 9 6   x   1 , 4 2 2 8 7 9 6 1   =   0 , 0 1 2 2 3 7 2 8 1
                             2 2
                                       x
                                                 x
                                              a
                                 =
                            y  y  = a x  + a x
                                    a

                                           +
                                      1 1 1     2 2 2
                                                  2
                                         1
                                            0
                                                                                                    (

                                                                                                     X

                                                                                                  1
                                   Y
                                                                        X

                                               0



                                                                                                            X

                                                                     –
                                                                                                         –
                                              ,
                                                                                     1

                                                                           )
                                        =
                                                                                   0
                                                                                  ,
                                                                                 0
                                                                             +

                                                                                                8
                                                                                              2

                                                                                                               )
                                                                                            7
                                                                                         2
                                                                                       2
                                                                                          3
                                     )

                                                    6
                                –
                             Y
                                                                (
                                                 3
                                                           9
                                                                 X
                                                        0

                                                  4
                            (
                                                             6

                            (Y – Y)  = 0,034620196 (X  – X ) + 0,012237281 (X  – X )
                                                      2
                                                          1
                                                                   1 1    1 1                           2 2   2 2
                                    Y    =  0 , 0 3 4 6 2 0 1 9 6   X     –   4 . 4 0 7 1 5 0 9 5 1   +   0 , 0 1 2 2 3 7 2 8 1   X     –   0 , 8 3 7 0 3 0 0 2
                                   Y  = 0,034620196 X  – 4.407150951 + 0,012237281 X  – 0,83703002
                                                                 1 1                                              2 2
                                            +   3 , 0 7 9
                                            + 3,079
                                                                         ,
                                                  4
                                                                X
                                                                                              –
                                                    6
                                                                                                    1
                                                                                  7
                                                                                                 2
                                                           9
                                                        0
                                        =
                                                                                                                7
                                   Y


                                                                                                       5
                                                                                    2
                                                                          0
                                                                             2
                                                                                                   ,
                                                                           1
                                                                                                                  1
                                                                                 3
                                                                                          X

                                              ,
                                                      2
                                                          1
                                                 3
                                               0

                                   Y  = 0,034620196 X  + 0,012237281 X  – 2,165180971
                                                                                                     6
                                                             6
                                                                                                           8

                                                                   +
                                                                               2
                                            0

                                                                                                              9
                                                                       0

                                                                                        1
                                                                                                            0
                                                                                                         1
                                                                                      8

                                                                  1 1                        2 2
                                   Y  = 0,034620196 X  + 0,012237281 X  – 2,165181
                                    Y    =  0 , 0 3 4 6 2 0 1 9 6   X    +   0 , 0 1 2 2 3 7 2 8 1   X    –   2 , 1 6 5 1 8 1
                                                                  1 1                        2 2
                                            (dibulatkan).
                                            ( d i b u l a t k a n ) .

                                                                                                    a
                                                                                                  d
                                                           l
                                                        r

                              d
                                                                                            X
                                                                                        a
                                                                                          n
                                                      o
                                                           a

                                                                                                 a
                                                                                  X

                                                                                      d


                              Adapun koefisien korelasi antara Y dan X  dan X  adalah:
                                           e
                                a
                                                                a
                                                                       a

                                                         e

                                 pu
                                                                                                        h
                                                                          Y
                                              s
                                                                  n
                                                                   t
                                                e
                                                i
                                                                    a
                                                                                                         :
                                                  n
                                                                      r
                                             i
                                            f
                                                     k
                                                             s
                            A
                                                                            d

                                                                                                     l
                                     n
                                                                                n
                                                                              a
                                                                                                      a
                                       k

                                                              i
                                         o

                                                                                     1 1       2 2
                                            0,034620196 x 30,283 0,012237281 x 29,184
                                            0 , 0 3 4 6 2 0 1 9 6   x   3 0 , 2 8 3++  0 , 0 1 2 2 3 7 2 8 1   x   2 9 , 1 8 4
                                       =
                            R R (1,2) =
                                  ,
                                (
                                 1
                                   2
                                     )



           a
       a

          k                    y y                                    1 , 6 7 2 6 9
       k



                                                                      1,67269

         a





       t

            t a


         s




       s


           u
       u

                                            1,408950225
       p


           p                                1 , 4 0 8 9 5 0 2 2 5

                                                                                  3
                                                                   0
                                                                         0
                                                                      8
                                                                                9
                                                                        4
                                                                               4
                                                                     ,
                                                                             8
                                                                           2
                                                                                    2



         a


          i     a                      =  =                    = =  0,840284932


       i



         s                                     1 , 6 7 2 6 9

       s
                                               1,67269


         e

       e

       n

         n






       o

         o
                                          0,9166770

            d                          = =  0 , 9 1 6 6 7 7 0

       d


         n



          i       n


       i


          /




       /

       m



         m

       o
           o                                                                       2 2


                            Jadi, R  (1,2)= 0,92 (dibulatkan), dan R  (1,2)= 0,840.

       c


           c                J a d i ,   R   y y  ( 1 , 2 ) =  0 , 9 2   ( d i b u l a t k a n ) ,   d a n   Ryy   ( 1 , 2 ) =  0 , 8 4 0 .

       .  .
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