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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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