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In: Statistics and Probability

The table below shows the hours of relief provided by two analgesic drugs in 12 patients...

The table below shows the hours of relief provided by two analgesic drugs in 12 patients suffering from arthritis. Is there any evidence that one drug provides longer relief than the other? Use Wilcoxon Signed-RankTest.

Case    A         B

1          2.0       3.5

2          14.9     16.7

3          3.6       5.7

4          6.6       6.0

5          2.6       2.9

6          2.3       3.8

7          2.6       2.4

8          2.0       4.0

9          7.3       9.9

10        6.8       9.1

11        3.4       3.3

12        8.5       20.9

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