Use the results of the simulation study summarized in Table 7.4 to answer the following questions. a.

Question:

Use the results of the simulation study summarized in Table 7.4 to answer the following questions.
a. Which of skewness or heavy-tailedness appears to have the stronger effect on the F tests?
b. For a given population does increasing the sample size yield α values more nearly equal to the nominal value of .05? Justify your answer, and provide reasons why this may occur.
c. For the short-tailed (uniform), the actual probability of Type I error is smaller than the specified value of .05. Provide both a negative and a positive impact on the F test of having a decrease in the specified value of α.
Distribution
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