Exercise 11-7 gave 20 observations on y = highway gasoline mileage and x = engine displacement. (a)
Question:
(a) Test for significance of regression using a = 0.01. Find the P-value for this test. What conclusions can you reach?
(b) Estimate the standard errors of the slope and intercept.
(c) Test H0: B1 = – 0.05 versus H1: B1 < - 0.05 using a = 0.01 and draw conclusions. What is the P-value for this test?
(d) Test the hypothesis H0: B0 = 0 versus H1: B0 = 0 using a = 0.01. What is the P-value for this test?
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Refer to ANOVA table of Exercise 117 a Ho B 0 0 H...View the full answer
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