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You need to calculate a measure of central tendency and variability for the variables in a dataset that is grouped by using another categorical variable.

What should you use?

A. the Describe package

B. the rxHistogram function

C. the rxSummary function

D. the rxQuantile function

E. the rxCube function

F. the summary function

G. the rxCrossTabs function

H. the ggplot2 package

You need to calculate a measure of central tendency and variability for the variables in a dataset that is grouped by using another categorical variable.

What should you use?

A. the Describe package

B. the rxHistogram function

C. the rxSummary function

D. the rxQuantile function

E. the rxCube function

F. the summary function

G. the rxCrossTabs function

H. the ggplot2 package

Answer: C