Author Question: The distinction between the average deviation and the variance is A) The average deviation is the ... (Read 125 times)

nelaaney · **on:** Aug 4, 2018

The distinction between the average deviation and the variance is

A) The average deviation is the square root of the variance.
B) The average deviation is the average distance each score is from the mean, whereas the variance in the average squared distance each score is from the mean.
C) The average deviation is the square of the variance.
D) The variance is the square of the standard deviation, which is equal to .707 times the average deviation.

Question 2

In computing the variance, if we merely added up all the deviations from the mean without first squaring them, the average deviation from the mean would be

A) 1.0, no matter how variable the scores were.
B) 1.0, if the scores had a large variance.
C) 0.0, if the scores had a small variance.
D) 0.0, no matter how variable the scores were.