Year-by-year age distribution. Open the Age Distribution 100 data set, and use it for Exercises 38–42. This data set shows the year-by-year age distribution of Americans under age 100, as reported by the U.S. Census Bureau, for 2011. Use technology to answer the following:
agedistribution 100
39. Find the mean age of Americans under 100.
3.3.39
37.30 years