A Local Trucking Company Fitted a Regression to Relate the Travel

question 85

Multiple Choice

A local trucking company fitted a regression to relate the travel time (days) of its shipments as a function of the distance traveled (miles) . The fitted regression is Time = -7.126 + .0214 Distance, based on a sample of 20 shipments. The estimated standard error of the slope is 0.0053. Find the critical value for a right-tailed test to see if the slope is positive, using α = .05.

• A)2.101
• B)2.552
• C)1.960
• D)1.734

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