The measure of dispersion that takes all of a variable's values into account is:
A)The range.
B)The interquartile Range.
C)The standard deviation.
D)The mean.

Question

Quizplus · Accepted Answer

The standard deviation takes into account all of the variable's values and measures how far each value is from the mean. It is a better measure of dispersion than the range or interquartile range, which only consider the extremes or middle 50% of the data, respectively. The mean (choice D) is a measure of central tendency, not dispersion.

The Measure of Dispersion That Takes All of a Variable's