Practicing docs (means and standard deviations). Recall the data set used in Exercises 3.15 and 4.21. Download the data set

(HEALTHUNITEDSTATES2006TABLE104.*) from the companion website.

Then, compute the mean and standard deviation for the 1975 and 2004 data using a statistical program of your choosing. How do these numerical summaries relate to the side-by-side boxplots completed in Exercise 4.21? (The side-by-side boxplots are shown in the answer key toward the back of the book.)

Computational note: SPSS will calculate these summary statistics with “Analyze > Descriptive Statistics > Explore > Descriptives”

and “Analyze > Descriptive Statistics > Explore.”