Which of the following summary measures cannot be easily approximated from a box-and-whisker plot?
A)The range.
B)The interquartile range.
C)The second quartile.
D)The standard deviation.
E)All of these choices are correct.

Question

Quizplus · Accepted Answer

The standard deviation cannot be easily approximated from a box-and-whisker plot. This is because the box-and-whisker plot only shows the five-number summary (minimum, first quartile, median or second quartile, third quartile, and maximum) and does not give information about the variability of the data beyond the quartiles.

Which of the Following Summary Measures Cannot Be Easily Approximated