A research team conducted a study of soft-drink preferences among residents in a test market prior to an advertising campaign for a new cola product. Of the participants, 130 are teenagers and 130 are adults. The researchers secured the following results:
| |
Cola
|
No cola
|
|
Teenagers
|
50
|
80
|
|
Adults
|
90
|
40
|
Calculate an appropriate measure of association, and decide how to present the results. How might this information affect the advertising strategy?