Health Status. The World Health Organization (WHO) collects data on health across the globe. The following table from the 2014 World Health Statistics report published by WHO provides data on the life expectancy (the average number of years that an infant can expect to live, if he or she lived a life exposed to the sex- and agespecific death rates persisting at the time of his or her birth, for a specific year, and in a given region) of males and females as of 2012.

Life Expectancy (years)

WHO region Males Females Africa 56 59 America 74 79 South-East Asia 66 69 Europe 72 80 Eastern Mediterranean 66 70 Western Pacific 74 78

a. Obtain relative-frequency distributions of life expectancy for males and females.

b. Draw a pie chart for both males and females.

c. Compare your pie charts.

In Exercises 2.39–2.41, use the technology of your choice to

a. determine a frequency distribution.

b. obtain a relative-frequency distribution.

c. draw a pie chart.

d. construct a bar chart.
If an exercise discusses more than one data set, do parts (a)–

(d) for each data set.