Using the same frequency data as the previous questions, calculate the following:

1. How much more or less likely is it that a shopper makes a purchase than does not? How much more or less likely is it that a shopper does not make a purchase than does?

2. How much more or less likely is it that a shopper in the 25- to 34-year-old age category makes a purchase than a shopper over 65?

Age category * Made purchase Crosstabulation Count Made purchase No Yes Total Age category 18-24 17 29 46 25-34 43 84 127 35-49 60 170 230 50-64 47 100 147 65 or over 10 22 32 Total 177 405 582