The following numbers represent 100 random numbers drawn from a rectangular population with a mean of 4.5 and a standard deviation of 2.6. Plot the distribution of these digits.
Answer to relevant QuestionsIn 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? In Exercise 12.14 you probably solved for t instead of z. Why was that necessary? In Exercise 12.14 For the IQ data on females in Appendix D (data set Add.dat on the website), test the null hypothesis that µ female = 100. Use one of the free statistics programs that we have been using and reproduce the results for Exercises 12.11 and 12.12. This is an example where it is probably easier to enter the data by hand. Hout, Duncan, and Sobel (1987) reported on the relative sexual satisfaction of married couples. They asked each member of 91 married couples to rate the degree to which they agreed with “Sex is fun for me and my partner” ...What would happen if we took the data from the anorexia example in Table 13.1 and reexpressed the dependent variable in kilograms instead of pounds?
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