Question: A researcher wanted to determine the effectiveness of a new
A researcher wanted to determine the effectiveness of a new cream in the treatment of warts. She identiﬁed 138 individuals who had two warts. She applied cream A on one wart and cream B on the second wart. Test whether the proportion of successes with cream A is different from cream B at the α = 0.05 level of signiﬁcance.
Perform the appropriate hypothesis test.
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