The Procedure to Test the Efficacy of Drugs Two drugs (A,B) are compared for the medical treatment o

The Procedure to Test the Efficacy
of Drugs

Two drugs (A,B) are compared for
the medical treatment of duodenal ulcer For this purpose, patients are
carefully matched on age, sex, and clinical condition The treatment results
based on 200 matched pairs show that for 89 matched pairs both treatments are
effective; for 90 matched pairs both treatments are ineffective; for 5 matched
pairs drug A is effective, whereas drug B is ineffective; for 16 matched pairs
drug B is effective, whereas drug A is ineffective

a What
test procedure can be used to assess the values?

b How
many concordant pairs are there?

c How
many discordant pairs are?

d Perform
the test in (a) and report a p-value

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