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? There is aian CIickforList v in the age of the population, and the data would become Click for List ' b. Select two reasons why the median age could rise. C] Life expectancy increased. C] The fertility rate increased. C] The population rose. C] The fertility rate declined. C] The population declined. 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? 0 The number of children is more, since the data is skewed to the left. 0 The number of children is less, since the data is skewed to the left. 0 The number of children is less, since the data is skewed to the right. 0 The number of children is more, since the data is skewed to the right. There is not enough information to tell, since the median does not give any indication of the size of the population