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 Commercial B Number Who Saw Commercial 155 204 Number Who Recalled Message 64 63 Use and test the hypothesis that there is no difference in the recall proportions for the two commercials. Formulate the null and the alternative hypotheses. - Select your answer -greater than or equal to 0greater than 0less than or equal to 0less than 0equal to 0not equal to 0 - Select your answer -greater than or equal to 0greater than 0less than or equal to 0less than 0equal to 0not equal to 0 What is the value of the test statistic (to 2 decimals)? What is the -value (to 4 decimals)? Does there appear to be a difference in recall proportions for the two commercials? - Select your answer -YesNo Compute a confidence interval for the difference between the recall proportions for the two populations (to 4 decimals). ( , ) It appears that - Select your answer -Commercial ACommercial Bneither commercial has a better recall rate.
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 | Commercial B | |
| Number Who Saw Commercial | 155 | 204 |
| Number Who Recalled Message | 64 | 63 |
Use and test the hypothesis that there is no difference in the recall proportions for the two commercials.
Formulate the null and the alternative hypotheses.
- Select your answer -greater than or equal to 0greater than 0less than or equal to 0less than 0equal to 0not equal to 0
- Select your answer -greater than or equal to 0greater than 0less than or equal to 0less than 0equal to 0not equal to 0
What is the value of the test statistic (to 2 decimals)?
What is the -value (to 4 decimals)?
Does there appear to be a difference in recall proportions for the two commercials?
- Select your answer -YesNo
Compute a confidence interval for the difference between the recall proportions for the two populations (to 4 decimals).
( , )
It appears that - Select your answer -Commercial ACommercial Bneither commercial has a better recall rate.
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