Which one of the following summary statistics is not a measure of the variation (spread) in a data set?
A) Median
B) Standard deviation
C) Range
D) Interquartile range

Question

Quizplus · Accepted Answer

The median is a measure of central tendency, not variation. It indicates the middle value of a data set when the values are arranged in ascending or descending order. Standard deviation, range, and interquartile range are all measures of spread or variation in a data set.

Which One of the Following Summary Statistics Is Not a Measure