Refer to the epilepsy study data in Table 3 19 Use
Refer to the epilepsy study data in Table 3.19. Use the data for the number of seizures after 8 weeks for the placebo patients and for the patients treated with the drug progabide to answer the following questions.
a. Do the data support the conjecture that progabide reduces the mean number of seizures for epileptics? Use both a t test and the Wilcoxon test with α = .05.
b. Which test appears to be more appropriate for this study? Why?
c. Estimate the size of the difference in the mean numbers of seizures between the two groups.
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