This measure is the most comprehensive measure of variability,giving an "average" difference between all scores and the mean.It is called what?
A)median
B)standard deviation
C)Z-score
D)mode

Question

Quizplus · Accepted Answer

The standard deviation is the most comprehensive measure of variability that gives an average difference between all scores and the mean. The median is not a measure of variability, but rather a measure of central tendency. Z-score is a measure of how far a data point is from the mean in terms of standard deviations. The mode is the most frequent value in a dataset and also not a measure of variability.

This Measure Is the Most Comprehensive Measure of Variability,giving an "Average