Consider again the data in Exercise 35 about the gas mileage and weights of cars. In Exercise

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Consider again the data in Exercise 35 about the gas mileage and weights of cars.
In Exercise 35

a) Create a 95% confidence interval for the slope of the regression line.
b) Explain in this context what your confidence interval means.

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Stats Data and Models

ISBN: 978-0321986498

4th edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

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Question Posted: Jan 20, 2016 06:19 AM

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Consider again the data in Exercise 35 about the gas mileage and weights of cars. In Exercise

Question:

Variable Count Mean StdDev MPG Wt(1000's) 50 50 25.0200 4.83394 2.88780 0.511656 Dependent variable is MPG R-squared 75.6% 2.413 with 50 2 48 df Variable Coefficient SE(Coeff) t-Ratio P-Value Intercept 48.7393 1.976 24 0.0001 8.2136 0.674 12.2 s0.0001

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a Since conditions have been satisfied in Exercise 35 the sampling distribution of the regre...View the full answer

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