In general, which of the following descriptive summary measures cannot be easily approximated from a box-and-whisker plot?
A) the variance
B) the range
C) the interquartile range
D) the median

Question

Quizplus · Accepted Answer

The variance is a measure of how spread out a data set is, and it cannot be easily approximated from a box-and-whisker plot which only shows information about the quartiles and outliers. The range (B), interquartile range (C), and median (D) can all be easily approximated from a box-and-whisker plot.

In General, Which of the Following Descriptive Summary Measures Cannot