In Exercise 16.3 you ran a test between Groups 1 and 3 combined versus Groups 2 and 4 combined. How does that test compare to testing the main effect of Location in Exercise 17.16? Is there any difference?
Answer to relevant QuestionsNurcombe, Howell, Rauh, Teti, Ruoff, and Brennan (1984) conducted an intervention program with mothers of low-birth-weight infants (LBW). (It is often difficult to recognize signals from low-birth-weight infants, and the ...Make up a set of data for a 2 3 2 design that has no main effects but does have an interaction. Run the analysis of variance for the data in Exercise 17.1 and draw the appropriate conclusions. In Exercise 17.1 Referring to Exercise 17.8, it seems obvious that the sample sizes do not reflect the relative frequency of these characteristics in the population. Would you expect the mean for all these primiparous mothers to be a good ...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.
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