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To test the effectiveness of a drug to relieve asthma, a group of subjects was randomly given a drug and placebo on two different occasions.
To test the effectiveness of a drug to relieve asthma, a group of subjects was randomly given
a drug and placebo on two different occasions. After 1 hour an asthmatic relief index was
obtained for each subject, with these results:
(Low numbers are good!) Is the drug more effective?
Subject | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Drug | 28 | 31 | 17 | 22 | 12 | 32 | 24 | 18 | 25 |
Placebo | 32 | 33 | 19 | 26 | 17 | 30 | 26 | 19 | 25 |