Question

In: Statistics and Probability

In a test of the quality of two television commercials, each commercial was shown in a...

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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