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. Commercial A. Commerical b # who saw comm 155 204 # who recalled message 64. 63 Use a=0.05 and test the hypothesis that there is no difference in the recall proportions for the two commercials. What is the vaule of the test statistic ( to 2 decimal) What is the p value(to 4 decimal) Compute a 95% cofidence interval for the difference between the recall proportions for the two population (to 4 decimal) Thank you
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.
Commercial A. Commerical b
# who saw comm 155 204
# who recalled message 64. 63
Use a=0.05 and test the hypothesis that there is no difference in the recall proportions for the two commercials.
What is the vaule of the test statistic ( to 2 decimal)
What is the p value(to 4 decimal)
Compute a 95% cofidence interval for the difference between the recall proportions for the two population (to 4 decimal)
Thank you
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