Why would you think that it would be wise to include Gender in that regression?
Answer to relevant QuestionsSince you have the DASL data on brain size, note that it also includes the variables of height and weight. Predict weight from height and sex and compare with the answer for Exercise 11.17. In Exercise 11.2, which variables make a significant contribution to the prediction of Optimism as judged by the test on their slopes? In Exercise 11.2, In Exercise 5.21 we saw, among other things, the weight gain of each of 29 anorexic girls who received cognitive behavioral therapy. What null hypothesis would we likely be testing in this situation? Compute the 95% confidence limits on mean anxiety for the data in Exercise 12.17. Why do the data in Exercise 12.6 not really speak to the issue of whether education in North Dakota is generally in good shape?
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