(Step-by-Step) A new drug is being tested to see if it reduces the number of migraine headaches. Assuming equal variances, at α = . 025, do these samples of
Question: A new drug is being tested to see if it reduces the number of migraine headaches. Assuming equal variances, at α = . 025, do these samples of number of monthly migraines from eight volunteers who are taking the drug and eight who are not show a significant reduction in the mean number of monthly migraine headaches? (See Science News 165, no. 9 [February 28, 2004].)
Topiramate: 3 3 2 4 3 4 3 5
Control: 3 3 5 5 7 5 5 4
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