Find the method of analysis that is needed to answer the question and indicate whether a hypothesis test should be conducted or a confidence interval should be found.
Indicate whether the analysis will be done on a proportion, a mean, a difference in proportions, a difference in means, or a matched pairs difference in means.
Answer to Problem 1E
The method of analysis that is needed to answer the question is a confidence interval.
The analysis will be done on a mean.
Explanation of Solution
Here, the average amount of money people spend in the store is estimated. Hence, the problem is based on estimating the mean.
Thus, the method of analysis that is needed to answer the question is a confidence interval, and the analysis will be done on a mean.
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Chapter C Solutions
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