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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.