Three rival professors teaching English 1 all claim the honor of having the best students. To settle the issue, eight students are randomly drawn from each class and given the same exam.

The exams are graded by a neutral professor who does not know from which class the students came. The data are shown.

a) Use SPSS to run the Kruskal-Wallis test on these data.

b) Run the appropriate randomization test and draw the appropriate conclusions.

I frequently ask you to use SPSS or R to solve a problem. You should have no problem with SPSS if you stick with the “Legacy” analyses. You should be able to use R by modifying the code that I give on the Web page for this chapter: http://www.uvm .edu/~dhowell/fundamentals9/Supplements/Chapter20R.html

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