d the mean deviation about the mean TOT4,7, 8, 9, 10, 12, 13, 17 – InterviewSolution

1.

d the mean deviation about the mean TOT4,7, 8, 9, 10, 12, 13, 17

Answer»

marks x - mean l x - mean l4 -6 67 -3 38 -2 29 -1 110 0 012 2 213 3 317 7 7____ ____80 24

mean= sum of marks/total no. = 80/8 = 10

MDm = sum of marks - mean / total number = 24/8 = 3

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