Following are the data on study time and score for calculus students from Exercise 4.55. a. Compute
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a. Compute SST, SSR, and SSE, using Formula 4.2 on page 167.
b. Compute the coefficient of determination, r2.
c. Determine the percentage of variation in the observed values of the response variable explained by the regression, and interpret your answer.
d. State how useful the regression equation appears to be for making predictions.
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To use the computing formulas we begin with the following table That columns 14 ...View the full answer
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