Page 32 - Libro jorge rangel
P. 32

Observaciones      Horas de reparacion               CT. Mantenimiento                   "XY"                 X^2
                                           1                   1500                      $                                             6,350.00  9525000  2250000
                                           2                   2500                      $                                             7,625.00  19062500  6250000
                                           3                   2250                      $                                             7,275.00  16368750  5062500
                                           4                   3500                      $                                          10,350.00   36225000  12250000
                                           5                   3000                      $                                             9,375.00  28125000  9000000
                                           6                   3100                      $                                             9,200.00  28520000  9610000
                                           7                   3300                      $                                             8,950.00  29535000  10890000
                                           8                   2000                      $                                             7,125.00  14250000  4000000
                                           9                   1700                      $                                             6,750.00  11475000  2890000
                                           10                  2100                      $                                             7,500.00  15750000  4410000
                                           11                  2750                      $                                             8,900.00  24475000  7562500
                                           12                  2900                      $                                             9,400.00  27260000  8410000
                                        SUMATORIAS             30600                     $                                          98,800.00   260571250  82585000


                                                                       b= $            3,126,855,000.00 -  $    3,023,280,000.00 =  $            103,575,000.00 =  $             1.89
                                                                                                                               54660000
                                                                       a= $    8,159,398,000,000.00 -  7.97348E+12 =   $    185,917,750,000.00 =  $     3,401.35
                                                                                                                               54660000
                                                                       y= $                            8,517.57
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