Question: a) What is the estimated simple linear regression equation for the two variables? b) what is the interpretation of the coefficient of determination R2 c)using

a) What is the estimated simple linear regression equation for the

a) What is the estimated simple linear regression equation for the two variables?

b) what is the interpretation of the coefficient of determination R2

c)using this regression model, find the predicted total points earned by Sarah (who spent 95 hours studying

The following regression output provides the estimated regression equation showing how total points earned (y) is related to hours spent studying (x). B D E F G H 1 SUMMARY OUTPUT 2 3 Regression Statistics 4 Multiple R 0.909785963 5 R Square 0.827710499 6 Adjusted R Square 0.826591736 7 Standard Error 7.177298036 8 Observations 156 9 10 ANOVA 11 df SS MS F Significance F 1.09619E-60 1 38112.05194 38112.05194 739.8443652 12 Regression 13 Residual 154 7933.095493 51.5136071 14 Total 155 46045.14744 15 16 Standard Error t Stat P-value Lower 95% Upper 95% Lower 99.0% Upper 99.0% Coefficients 8.67422449 17 Intercept 2.447697434 3.543830365 0.000522385 3.838827439 13.50962154 2.290309406 15.05813957 18 Hours Spent Studying 0.801382837 0.029462517 27.20008024 1.09619E-60 0.743179986 0.859585688 0.724540738 0.878224936

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