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Why do we take the square root of the sample variance?
A. To put the measure of variability in the same unit of measure as the original data and the
sample mean.
B. Just to give students one more step to do in the calculation.
C. To give us a second measure of the center.
D. To make sure the measure of variability is always positive.
Solution
The answer is A... Variability has units square of normal data

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Why do we take the square root of the sample variance A. To put.pdf

  • 1. Why do we take the square root of the sample variance? A. To put the measure of variability in the same unit of measure as the original data and the sample mean. B. Just to give students one more step to do in the calculation. C. To give us a second measure of the center. D. To make sure the measure of variability is always positive. Solution The answer is A... Variability has units square of normal data