5. The experiment-wise error rate pertains to the probability of making a error

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5. The experiment-wise error rate pertains to the probability of making a error when comparing a. Type I; all b. Type I; some c. Type I1; all d. Type II; some the means in an experiment 6. Corey is researching the effect of memory-enhancing, memory-impairing, and memory-neutral drugs on the ability of rats to run a maze. He has a total of 45 rats available for his study. He assigns an equal number of rats to each treatment condision IF he calcalaies his 2 40, and = 45, Show your work on your worksheet. n in colunn with an a .01, what should Corey conclude? a. With F13,45)-4.56, po.01, Corey should fail to reject the He b, with 2, 42)-961, p>.01,Corey should fail to reject the He c. With 2, 42)-13.11, p

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7) B option

The F-test is designed to test if two population variances are equal. It does this by comparing the ratio of two variances. So, if the variances are equal, the ratio of the variances will be 1. If the null hypothesis is true, then the F test-statistic given above can be simplified (dramatically).

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