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
Correct Answer:
Verified
Correct Answer:
Verified
Q80: In a simple regression, if the coefficient
Q81: If SSR is 1800 and SSE is
Q82: In a sample of n = 36,
Q83: A researcher's results are shown below
Q84: If the residuals violate the assumption of
Q86: A researcher's results are shown below
Q87: In the model Sales = 268 +
Q88: The error term ε<sub>i</sub> in the population
Q89: In simple linear regression, the coefficient of
Q90: A regression was estimated using these variables: