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1. interv f Punto f(x) /x-X/ Punto (x-X)2
alo medio medio
x
1 1-5- 10 3 30 -11.57 11.57 133.86
2 6-10 6 8 48 -6.57 6.57 43.16
3 11-15 3 13 39 -1.57 1.57 2.46
4 16-20 3 18 54 3.43 3.43 11.76
5 21-25 5 23 115 8.43 8.43 71.06
6 26-30 8 28 224 13.43 13.43 180.36
7 31-35 0 33 0 18.43 18.43 336.36
510 63.43 782.32