Use the data and the answers found in Exercise13. 63 (to make the following estimates. a. Give

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Use the data and the answers found in Exercise13. 63 (to make the following estimates.
a. Give a point estimate for the mean time required to commute 4 miles.
b. Give a 90% confidence interval for the mean travel time required to commute 4 miles.
c. Give a 90% prediction interval for the travel time required for one person to commute the 4 miles.
d. Answer parts a–c for x = 9
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Elementary Statistics

ISBN: 9780538733502

11th Edition

Authors: Robert R. Johnson, Patricia J. Kuby

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