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Example 140
Example 140 The drug Depo-Provera is often used for patients who exhibit hypersexual behavior caused by traumatic brain injury (TBI). The results of a study conducted on 8 patients who exhibited such behavior are included below. Each patient had their testosterone levels taken before treatment with Depo and after treatment. At the 1% significance level, test the claim that the drug is effective at reducing testosterone levels in TBI patients.
Patient |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
Pretreatment |
849 |
903 |
890 |
1092 |
362 |
900 |
1006 |
672 |
After Depo |
96 |
41 |
31 |
124 |
46 |
53 |
113 |
174 |
Differences |
753 |
862 |
859 |
968 |
316 |
847 |
893 |
498 |