Question

02: Do social recommendations increase ad effectiveness? A study of online viewers who arrived atan advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. Data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. The resultswere: Yes 407 193 Recommendation 150 91 Determine whether brand recall is higher following a social media recommendation than with only web browsing at alpha 05. What is the claim from the question? What are Null and Alternative Hypothesis for this problem? 1. Claim: Null and Alternative Hypotheses: 2. What kind of test do you want to use? One Sample or Two Sample? Z test or T Test? One-tail or Two-tail test? 3. Calculate Test Statistics Test Statistics

Answer 1

o online viewens Re can reenl brand afan Allonim so ial neromuneu CH) C th P1 P sn ample 나 2- atim 22/n 2 Calenlatin h- 40"(407-HD) 20-7 307

C2) 559 284 051 3297 645 -8to (e>,.sm) , 2心N(..) P-value 70 05 inae, ne ngn서ㄱ.eanu, vweb bnariug d make a