The questions below refer to decisions made by statisticians and referred to in the text. Answer each of the following questions in a few sentences:
(a)Why was rather than chosen to be used in building the formula for the variance?
(b)Why is s more commonly used than s² as a more useful measure of variability?
(c)Why was chosen over when using s² to estimate σ²?
(d)What factor should be considered when choosing between the median or mean as a description of the "center" of a data set?

Question

The questions below refer to decisions made by statisticians and referred to in the text. Answer each of the following questions in a few sentences:
(a)Why was

rather than

chosen to be used in building the formula for the variance?
(b)Why is s more commonly used than s² as a more useful measure of variability?
(c)Why was

chosen over

when using s² to estimate σ²?
(d)What factor should be considered when choosing between the median or mean as a description of the "center" of a data set?

Quizplus · Accepted Answer

The Answer of The questions below refer to decisions made by statisticians and referred to in the text. Answer each of the following questions in a few sentences: (a)Why was rather than chosen to be used in building the formula for the variance? (b)Why is s more commonly used than s² as a more useful measure of variability? (c)Why was chosen over when using s² to estimate σ²? (d)What factor should be considered when choosing between the median or mean as a description of the "center" of a data set?

The Questions Below Refer to Decisions Made by Statisticians and Referred