Emi computes the mean and variance for the population data set 87, 46, 90, 78, and 89. She finds the mean is 78. Her steps for finding the variance are shown below.

Question

Mathematics

Shaun Shepard

11 June, 15:54

Emi computes the mean and variance for the population data set 87, 46, 90, 78, and 89. She finds the mean is 78. Her steps for finding the variance are shown below.

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Answers (2)

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Eliana Walls · Answer 1

Well for emi to find that she did the following: Emi evaluated (46 - 78) 2 as - (32) 2. And that is how she computes the data given. I hope this is really useful for you

Jamir French · Answer 2

Jamir French 11 June, 19:20

0

basically the answer is c