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

Question

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

Quizplus · Accepted Answer

The standard deviation cannot be easily approximated from a box-and-whisker plot. Box-and-whisker plots only give information about the quartiles and the median, and do not provide any information about the spread or variance of the data.

Which of the Following Summary Measures Cannot Be Easily Approximated