The following output shows the relationship between the number of hours studied and the final grade in a statistics course:

a.?Does the final grade seem to increase as the number of hours studied increases?b.?How much of the variation in the final grade is accounted for by the hours studied?c. What is the correlation coefficient? Describe the type and the strength of the relationship between the final grade and hours studied.d. What is the estimated final grade for five hours studied? Is this final grade reasonable?

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Regression Analysis ANOVA table Source SS df MS 1569.0299 1569.0299 Regression 83.1407 1163.9701 Residual 14 2733.0000 Total 15 Regression Output Coefficients Std. error Variables t(df = 14) 60.1418 4.06725 14.787 Intercept Hours of Study 4.3284 0.9964 4.344