You are a graduate student in an M.D./Ph.D program, attempting a study of the efficacy of different HIV treatments. Viral load was measured in 15 HIV-positive patients, 7 of whom were under one treatment regime, and 8 under another (all measurements in 103 RNA copies per ml).                treatment 1:  18, 77, 70, 20, 8, 59, 86             treatment 2:  21, 8, 46, 39, 23, 19, 3, 31     a) Assuming that these data meet assumptions for a parametric test, what test would it be? State the appropriate null hypothesis for this test.   b) Calculate the appropriate test statistic for this test. Do you reject or fail to reject the null? Show your work.     c) In truth, these data aren’t very normally distributed. Assume that transformation doesn’t help them meet the assumption. What alternate test should you perform in this situation?     d) State the null hypothesis for this test, and carry it out. Do you reject or fail to reject the null? Show your work.

Question
  1. You are a graduate student in an M.D./Ph.D program, attempting a study of the efficacy of different HIV treatments. Viral load was measured in 15 HIV-positive patients, 7 of whom were under one treatment regime, and 8 under another (all measurements in 103 RNA copies per ml). 

 

            treatment 1:  18, 77, 70, 20, 8, 59, 86

            treatment 2:  21, 8, 46, 39, 23, 19, 3, 31

 

 

a) Assuming that these data meet assumptions for a parametric test, what test would it be?

State the appropriate null hypothesis for this test.

 

b) Calculate the appropriate test statistic for this test. Do you reject or fail to reject the null? Show your work.

 

 

c) In truth, these data aren’t very normally distributed. Assume that transformation doesn’t help them meet the assumption. What alternate test should you perform in this situation?

 

 

d) State the null hypothesis for this test, and carry it out. Do you reject or fail to reject the null? Show your work.

 

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Hypothesis Testing

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