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 148 203 Number Who Recalled Message 62 62 1. What is the value of the test statistic (to 2 decimals)? 2. What is the p-value (to 4 decimals)? 3. Compute a 95% confidence interval for the difference between the recall proportions for the two populations (to 4 decimals).
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 148 203 Number Who Recalled Message 62 62 1. What is the value of the test statistic (to 2 decimals)? 2. What is the p-value (to 4 decimals)? 3. Compute a 95% confidence interval for the difference between the recall proportions for the two populations (to 4 decimals).
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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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 | 148 | 203 |
| Number Who Recalled Message | 62 | 62 |
1. What is the value of the test statistic (to 2 decimals)?
2. What is the p-value (to 4 decimals)?
3. Compute a 95% confidence interval for the difference between the recall proportions for the two populations (to 4 decimals).
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