In General,which of the Following Descriptive Summary Measures Cannot Be

question 97

Multiple Choice

In general,which of the following descriptive summary measures cannot be easily approximated from a boxplot?

• A)The variance.
• B)The range.
• C)The interquartile range.
• D)The median.

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Definitions:

Box and Whisker Plot

A graphical representation of data that shows the distribution of data points based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.

Five-number Summary

A statistical summary that includes the minimum, the first quartile, the median, the third quartile, and the maximum of a data set.

Z-scores

Standardized scores that indicate the number of standard deviations an element is from the mean of its distribution.

Absolute Value

A number's distance from zero on the number line, without considering its direction; denoted by two vertical bars on either side of the number.