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 + 0.0214 Distance,based on a sample of 20 shipments.The estimated standard error of the slope is 0.0053.Find the value of t_calc to test for zero slope. A) 2.46 B) 5.02 C) 4.04 D) 3.15

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Quizplus · Accepted Answer

The formula to calculate t_calc is given by: t_calc = SB1 / SE(B1) where SB1 is the standard error of the slope B1 and SE(B1) is the estimated standard error of B1. Substituting the given values we get, t_calc = 0.0053 / 0.0214 t_calc = 0.247 to two decimal places Therefore, the answer is choice C) 4.04.

A Local Trucking Company Fitted a Regression to Relate the Travel