Page 84 - LIBRETA DE CRUZ GALLEGOS

y x xy x2
observaciones costo total de mantenimiento horas de reparacion
1 $ 6,350.00 1500 $ 9,525,000.00 2250000
2 $ 7,625.00 2500 $ 19,062,500.00 6250000
3 $ 7,275.00 2250 $ 16,368,750.00 5062500
4 $ 10,350.00 3500 $ 36,225,000.00 12250000
5 $ 9,375.00 3000 $ 28,125,000.00 9000000
6 $ 9,200.00 3100 $ 28,520,000.00 9610000
7 $ 8,950.00 3300 $ 29,535,000.00 10890000
8 $ 7,125.00 2000 $ 14,250,000.00 4000000
9 $ 6,750.00 1700 $ 11,475,000.00 2890000
10 $ 7,500.00 2100 $ 15,750,000.00 4410000
11 $ 8,900.00 2750 $ 24,475,000.00 7562500
12 $ 9,400.00 2900 $ 27,260,000.00 8410000
$ 98,800.00 30600 $ 260,571,250.00 82585000

$ 8,159,398,000,000.00 - $ 7,973,480,250,000.00 $ 185,917,750,000.00
A = = $ 3,401.35
991020000 - 936360000 54660000

$ 3,126,855,000.00 - $ 3,023,280,000.00 $ 103,575,000.00
B = = $ 1.89
991020000 - 936360000 54660000

y $ 8,517.57