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(Solved): Search This Ca Hapter 10 Assignment In A Test Of The Quality Of Two Television Commercials, Each Com ...



Search this ca hapter 10 Assignment In a test of the quality of two television commercials, each commercial was shown in a se
Search this ca hapter 10 Assignment In a test of the quality of two television commercials, each commercial was shown in a separate test area six times over a one-week period. The following week a telephone survey was conducted to identify individuals who had seen the commercials. Those individuals were asked to state the primary message in the commercials. The following results were recorded. 204 Commercial A Commercial B Number Who Saw Commercial 155 Number Who Recalled Message 64 Use a = .05 and test the hypothesis that there is no difference in the recall proportions for the two commercials. Formulate the null and the alternative hypotheses. H : Pi-P2 equal to 0 H : Pi-P2 not equal to 0 What is the value of the test statistic (to 2 decimals)? 1.403 What is the p-value (to 4 decimals)? 0.1621 Does there appear to be a difference in recall proportions for the two commercials? No Compute a 95% confidence interval for the difference between the recall proportions for the two populations (to 4 decimals). (-0.022 0.1350 It appears that neither commercial has a better recall rate. Hide Feedback

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