Does Cable Video on Demand (VOD D4+) increase ad effectiveness? A 2015 VOD study compared general TV and VOD D4+ audiences after viewing a brand ad. Data were collected on whether the viewer indicated that the ad made them want to visit the brand website. The results were:

Made me Want to Visit the

Brand Website

Viewing Audience ______________Yes ____________________No

VOD D4+ ............................147 ...........................103

General TV ........................... 35 ...........................166

a. Set up the null and alternative hypotheses to try to determine whether ad impact is stronger following VOD D4+ viewing than following general TV viewing.

b. Conduct the hypothesis test defined in (a), using the 0.05 level of significance.

c. Does the result of your test in (b) make it appropriate to claim that ad impact is stronger following VOD D4+ than following general TV viewing?