Is there a generation gap in music?A study reported that 45% of 16 to 29 year olds, 42% of 30 and 49 year olds, and 33% of 50 to 64 year olds often listened to rock music.Suppose that the study was based on a sample of 200 respondents in each group.

Is there evidence of a significant difference among the age groups with respect to the proportion who often listened to rock music?Use 5% significance level. Using a Chi square/Two table(Three way).

If H0 is rejected, use the Marascuilo procedure and = 0.05 to determine which age groups are different.