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## Statistics

Find the mean and standard deviation.

Hypersexual behaviour caused by traumatic brain injury (TBI) is often treated with the drug Depo-Provera. In one clinical study, eight young male TBI patients who exhibited hypersexual behaviour were treated weekly with 400 mgs of Depo-Provera for six months. The testosterone levels [in ng/DL] prior to treatment and at the end of the 6-month treatment period are given in the table below.

 Patient Pre-Treatment After 6 months on Depo-Provera 1     2     3     4     5     6     7     8 849            903            890          1,092            362            900         1,006            672 96           41           31         124           46            53         113         174

Form the column of differences and find out the mean and standard deviation of this column of numbers.

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M920798

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