Question

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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  • CreatedAugust 28, 2015
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