Question: Find the (a) variance and (b) standard deviation for the following simple frequency distribution collected from 78 college students as to the number of their

Find the (a) variance and (b) standard deviation for the following simple frequency distribution collected from 78 college students as to the number of their friends, from 1 to 6, who have been victims of domestic violence.
X 654321 f 2 7 16 27 15 11 N = 78

X 654321 f 2 7 16 27 15 11 N = 78

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