Question: Using the data set Teaching Ratings described in Empirical Exercise 4.2. carry out the following exercises. a. Run a regression of Course Eval on Beauty.

Using the data set Teaching Ratings described in Empirical Exercise 4.2. carry out the following exercises.

a. Run a regression of Course Eval on Beauty. Construct a 95% confi- dence interval for the effect of Beauty on Course_Eval.

b. Consider the various control variables in the data set. Which do you think should be included in the regression? Using a table like Table 7.1, examine the robustness of the confidence interval that you constructed in (a). What is a reasonable 95% confidence interval for the effect of Beauty on Course Eval?

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