Question

A researcher collects a sample of 25 measurements from a population and wants to find a 99% confidence interval.
a. What value should he use for t*? (Recall that df = n - 1 for a one-sample t-interval.) Use the table given for Exercise 9.25.
b. Why is the answer to this question larger than the answer to Exercise 9.25?


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  • CreatedJuly 16, 2015
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