Skewness and the Mean, Median, and Mode · Exercise 21
The median age of the U.S. population in 1980 was 30.0 years. In 1991, the median age was 33.1 years.
(a) What does it mean for the median age to rise?
(b) Give two reasons why the median age could rise.
(c) For the median age to rise, is the actual number of children less in 1991 than it was in 1980? Why or why not?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §2.6 Skewness and the Mean, Median, and Mode · Exercise 21
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