Use the data in Try It Yourself 1 to construct a 95% confidence interval for the mean

Question:

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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Elementary Statistics Picturing The World

ISBN: 9780321911216

6th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: Nov 24, 2015 07:46 AM

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Use the data in Try It Yourself 1 to construct a 95% confidence interval for the mean

Question:

Number of hours 26 25 32 31 28 28 28 22 28 25 21 40 32 22 25 22 26 24 46 20 35 22 32 48 32 36 38 32 22 19

Step by Step Answer:

a x 289 E 28 b x E 289 28 261 x E 289 28 317 c ...View the full answer

Elementary Statistics Picturing The World

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