Which of the Following Describes Standard Deviation

question 34

Multiple Choice

Which of the following describes standard deviation?

• A) It is the average of the greatest and least values in the data set.
• B) It is the square root of the variance.
• C) It is the difference between the first and third quartiles of a data set.
• D) It is the average of the squared deviations of the observations from the mean.

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