Consider again the data in Exercise 35 about the gas mileage and weights of cars. In Exercise
Question:
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.
Transcribed Image Text:
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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Related Book For
Stats Data and Models
ISBN: 978-0321986498
4th edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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