The four branches of the armed forces in the United States are quite different in their makeup with regard to gender, race, and age distributions. The table below shows the racial breakdown of the members of the United States Army and the United States Air Force.³

a. Define the variable that has been measured in this table.
b. Is the variable quantitative or qualitative?
c. What do the numbers represent?
d. Construct a pie chart to describe the racial breakdown in the U.S. Army.
e. Construct a bar chart to describe the racial breakdown in the U.S. Air Force.
f. What percentage of the members of the U.S. Army are minorities€”that is, not white? What is this percentage in the U.S. Air Force?

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Army Air Force 58.4% 26.3% 8.9% White 75.5% Black 16.2% Hispanic Other 5.0% 3.3% 6.4%