Question

Use the Wilcoxon Signed-Rank test to test the following hypothesis for the paired data provided in the table: Ha: μ1 ≠μ2 Pair

Population 1 Population 2

1 10 12

2 8 7

3 13 11

4 13 16

5 17 15

6 12 9

7 12 12

8 11 7

Answer 1

for this test we can also is normal approximation test if sample size is > 20  

here our test sample size is < 20 hence normal approximation not used .