Question: Refer to Exercise 12.7. The data, along with the MINITAB analysis of variance table are reproduced below. MINITAB ANOVA table for Exercise 12.21 a. Do

Refer to Exercise 12.7. The data, along with the MINITAB analysis of variance table are reproduced below.

MINITAB ANOVA table for Exercise 12.21

Refer to Exercise 12.7. The data, along with the MINITAB

a. Do the data provide sufficient evidence to indicate that y and x are linearly related? Use the information in the MINITAB printout to answer this question at the 1% level of significance.
b. Calculate the coefficient of determination r2. What information does this value give about the usefulness of the linear model?

y5.6 4.6 4.5 3.7 3.2 2.7 Regression Analysis: y versus x Analysis of Variance Source Regression Residual Error Total DF MS 1 5.4321 5.4321 152.10 0.000 4 0.1429 0.0357 5 5.5750

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