Use the data in Try It Yourself 1 to construct a 95% confidence interval for the mean
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Use the data in Try It Yourself 1 to construct a 95% confidence interval for the mean number of hours worked by grocery store employees. Compare your result with the interval found in Example 3.
a. Find x̅ and E.
b. Find the left and right endpoints of the confidence interval.
c. Interpret the results and compare them with Example 3.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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