Construct a residual plot to verify that the assumptions of the linear model are now satisfied.
Answer to relevant QuestionsUse the least-squares regression line computed in Exercise 3 to predict the power when the wind speed is 5.0 mph. (The value of the explanatory variable is 53 = 125.) Construct and interpret an interaction plot for the data in Exercise 12. Using the data in Exercise 4. perform the Tukey—Kramer test to determine which pairs of means, if any, differ. Use the a = 0.05 level of significance. Data in Exercise 4. Construct an ANOVA table. The Number of days spent in the hospital was determined for 12 patients who underwent coronary bypass surgery. Can you concluded that the median is less than 5 days? Use the a = 0.01 level of significance.
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