[EX02-176] The U.S. Census Bureau posted the following 2003 age distribution for the people of New York State. The 2003 American Community Survey is limited to the household population and excludes the population living in institutions, college dormitories, and other group quarters.

Sex and Age Distribution Male 8,953,019 Younger than 5 years 1,205,816 Female 9,647,508 5–14 years 2,537,813 15–24 years 2,353,665 25–34 years 2,587,995 35–44 years 2,991,609 45–54 years 2,682,845 55–64 years 1,897,521 65–74 years 1,218,850 75–84 years 857,177 85 years and older 267,236 Source: U.S. Census Bureau

a. Construct a relative frequency distribution of both the gender and the age data.

b. Construct a bar graph of the gender data.

c. Construct a histogram of the age data.

d. Explain why the graph drawn in part b is not a histogram and the graph drawn in part c is a histogram.