For the table in Exercise 8:

a) Find the column percentages.

b) Looking at the column percentages in part

a, does the distribution of how many times someone has seen the movie look the same for each age group? Comment briefly.

c) Make a segmented bar chart, showing the distribution of viewings for each age level.

d) Is it easier to see the differences in the distributions using the column percentages or the segmented bar chart?

e) How would a mosaic plot represent these data more appropriately?