Name two measures of the variation of a distribution, and state the conditions u

Question

Name two measures of the variation of a distribution, and state the conditions under which each measure is preferred for measuring the variability of a single data set. Select all that apply. The interquartile range is preferred when there are few data points. The interquartile range is preferred when the data is strongly skewed or has outliers. The z-score is preferred when there are many data points. The median is preferred when the data is relatively symmetric. The standard deviation is preferred when the data is relatively symmetric. The median is preferred when the data is strongly skewed or has outliers. The mean is preferred when the data is relatively symmetric. The standard deviation is preferred when there are many data points.

Explanation / Answer

The correct options are

B. The interquartile range is preffered when the data is strongly skewed or has outliers.

H. Standard devation is preffered when there are many data points.

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