Question: Refer to Exercise 15 10 Without assuming normal population distributions test
Refer to Exercise 15.10. Without assuming normal population distributions, test the null hypothesis that the population mean times spent outside the classroom on teaching responsibilities are the same for assistant, associate, and full professors.
Relevant QuestionsBased on the data of Exercise 15.11, perform the Kruskal Wallis test of the null hypothesis of equal population mean scores on the CPA exam for students using no tutoring services and using services A and B. In exercise Given the following analysis of variance table, compute mean squares for between groups and within groups. Compute the F ratio and test the hypothesis that the group means are equal. Four brands of fertilizer were evaluated. Each brand was applied to each six plots of land containing soils of different types. Percentage increases in corn yields were then measured for the 24 brand-soil-type ...Refer to Exercise 15.44. Twelve pairs were entered in the ice-dancing competition. Once again, there were 9 judges, and contestants were assessed in seven subevents. The sums of squares between groups (pairs of contestants) ...Carefully explain what is meant by the interaction effect in the two-way analysis of variance with more than one observation per cell. Give examples of this effect in business-related problems.
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