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Many college courses conclude by giving students the opportunity to evaluate the course and the instructor anonymously. However, the use of these student evaluations as an indicator of course quality and teaching effectiveness is often criticized because these measures may reflect the influence of non-teaching related characteristics, such as the physical appearance of the instructor. Researchers collected data on teaching evaluation score (higher score means better) and standardized beauty score (a score of O means average, negative score means below average, and a positive score means above average) for a sample of 100 professors. The scatterplot below shows the relationship between these variables, and regression output is provided for predicting teaching evaluation score from beauty score. 5.0 . 4.5 . . Teaching evaluation 3.5- 3.0 - 2 Beauty (Intercept) beauty Estimate 3.9840 0.0798 Std. Error 0.0558 0.0768 t value Pr(>ltl) 71.37 0.0000 1.04 0.3015 A. Describe the relationship between teaching evaluation and beauty. B. Write out the linear model. C. Interpret the intercept. D. Interpret the slope. E. Do these data provide convincing evidence that the slope of the relationship between teaching evaluation and beauty is positive? F. The R-squared is 0.01089. Interpret R2. G. Calculate the correlation coefficient