The article Vehicle-Arrival Characteristics at Urban Uncontrolled Intersections (V. Rengaraju and V. Rao, Journal of Transportation Engineering,
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a. Fit the model y = β0 + β1x1 + β2x2 + ε. Find the P-values for testing that the coefficients are equal to 0.
b. Fit the model y = β0 + β1x1 + ε. Find the P-values for testing that the coefficients are equal to 0.
c. Fit the model y = β0 + β1x2 + ε. Find the P-values for testing that the coefficients are equal to 0.
d. Which of the models (a) through (c) do you think is best? Why?
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a Predictor Coef StDev T P Constant 25613 10424 24572 0044 x 1 018387 012353 14885 0180 x 2 00158...View the full answer
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