The U.S. Department of the Interior releases figures on mineral production. Following are the 14 leading states in nonfuel mineral production in the United States.

State Value ($ billions)

Arizona ............4.35

California ...........4.24

Nevada ............3.88

Florida ............2.89

Utah .............2.79

Texas ............2.72

Minnesota ...........2.19

Missouri ..........1.94

Georgia ...........1.81

Colorado ...........1.75

Michigan ............1.75

Pennsylvania .........1.55

Alaska ............1.47

Wyoming ...........1.30

a. Calculate the mean, median, and mode.

b. Calculate the range, interquartile range, mean absolute deviation, sample variance, and sample standard deviation.

c. Compute the Pearsonian coefficient of skewness for these data.

d. Sketch a box-and-whisker plot.