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Unformatted text preview: Beauty and Female . Construct a 95% Confidence Interval (CI) for Beauty and interpret it. 3. Re-run the above regression adding the variables Age , Age^2 and Beauty*Female . 4. Specify a formal test for the null hypothesis that the male-female difference in the effect of Beauty is statistically insignificant? 5. Give an estimate for the decrease in course evaluations ( Course_Eval ) associated with 5 years increase in professors age ( Age ) with the initial value being the mean of the Age variable. Give a 90% confidence band for this estimate. 6. Carry out a Ramsey test for the null hypothesis that the functional form of the model in problem 3 is correct....
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- Spring '10