Page 191 - Grade 10 C.Math
P. 191

;dfwfg

                  lbOPsf] tYofª\snfO{ ;l~rt af/Daf/tf tflnsfdf k|:t't ubf{ M

                     pd]/ jif{df (x)       f           c.f.
                         15-25            4             4
                         25-35            10           14
                       Curriculum Development Centre
                         35-45            22           36
                         45-55            27           63
                         55-65            30           93
                                      f = N= 93



                  oxfF,      = 46.5

                  ;l~rt af/Daf/tf x]bf{ 46.5 cf}F kbsf] lgs6td ;l~rt af/Daf/tf 63 5 . To;}n] dlWosf
                  kg]{ >]0fL 45-55 x'G5 .

                  oxfF, L = 45, N/2 = 46.5, cf = 36, f = 27, h = 10 x'G5 .


                  To;}n], dlWosf (M )
                                  d







                                        = 48.88 jif{ = 49 jif{ -nueu_




                  rt'yf{+zx¿ (Quar les)

                  k'/} tYofª\snfO{ rf/ a/fa/ efudf             Q        Q        Q
                                                                1        2         3
                  afF8\bf hDdf slt 7fpFdf ljefhg

                  ug'{knf{ < 5nkmn ug'[xf];\ .       0%       25%      50%      75%       100%

                  cljl5Gg >]0fLdf   /      cyjf 25% /  75% sf] dfgn]  Q  /  Q  s'g ju{df k5{ egL
                                                                              3
                                                                         1
                  b]vfpF5g\ . dlWosf h:t} rt'yf{+zx¿sf] dfg kTtf nufpg ;lsG5 .


                  klxnf] rt'yf{+z cyjf tNnf] rt'yf{+z (lower quar le) Q         / t];|f] rt'yf{+z

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