Does Cable Video on Demand (VOD D4 +) increase ad effectiveness? A recent 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, with the accompanying results. Complete parts (a) through (c) below. Click the icon to view the data on ad effectiveness. 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. Let population 1 correspond to VOD D4+ viewers and population 2 correspond to general TV viewers. What are the null and alternative hypotheses? A. Ho: ₁2 H₁:1>2 OC. Ho: ₁ = ₂ H₁: #₁ #₂ b. Conduct the hypothesis test defined in (a), using the 0.05 level of significance. Calculate the test statistic. ZSTAT= (Type an integer or a decimal. Round to two decimal places as needed.) OB. Ho: 11₂ H₁:₁=₂ OD. Ho: ₁₂ H₂:1 <1₂

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