Using the data from Week 2 and Week 3 of Exercise 18.1, run a matched-sample t test to test the hypothesis that migraines decreased from before to after relaxation therapy.
Answer to relevant QuestionsRun a repeated measures analysis of variance on the same data that you used in Exercise 18.4 and draw the appropriate conclusions. Use the data in Exercise 19.8 to demonstrate how chi-square varies as a function of sample size. (a) Double each cell entry and recompute chi-square. (b) What does this have to say about the role of the sample size in ...Dabbs and Morris (1990) examined archival data from military records to study the relationship between high testosterone levels and antisocial behavior in males. Out of the 4,016 men in the normal testosterone group, 10.0% ...Hout, Duncan, and Sobel (1987) reported data 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 ...What is the difference between the null hypothesis tested by the Mann–Whitney test and the corresponding t test?
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