4. The top four primetime television shows were CSI, ER, Everybody Loves Raymond, and Friends (Nielsen Media Research, January 11, 2004). Data indicating the preferred shows for a sample of 50 viewers follow. CSI Friends CSI CSI CSI CSI CSI Raymond ER ER Friends CSI ER Friends CSI ER ER Friends CSI Raymond CSI Friends CSI CSI Friends ER ER ER Friends Raymond CSI Friends Friends CSI Raymond Friends Friends Raymond Friends CSI Raymond Friends ER Friends CSI CSI ER CSI Friends ER

a. Are these data qualitative or quantitative?

b. Provide frequency and percent frequency distributions.

c. Construct a bar graph and a pie chart.

d. On the basis of the sample, which television show has the largest viewing audience? Which one is second?