Use techniques developed in Chapter 12 and this chapter to construct 95% confidence limits on the true mean difference between the Sexual Satisfaction scores in Exercise 13.1.
Answer to relevant QuestionsSome would object that the data in Exercise 13.1 are clearly discrete, if not ordinal, as defined in Chapter 2, and that it is inappropriate to run a t test on them. Can you think what might be a counter argument? (This is ...In Exercise 13.1 we had paired data because we had a response from both the husband and the wife within a married couple. Suppose that instead of using married couples we just took a large group of people and asked them to ...Calculate Cohen’s d^ for the data in Exercise 14.15. What is the role of random assignment in the anorexia study? Diagram the answer to Exercise 15.13. (a) What is the a priori power of this experiment? (b) Run the t test on the data. (c) What, if anything, does the answer to (a) have to say about the answer to (b)?
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