In: Statistics and Probability
How do I even begin to solve this using
R?
A random sample of eight pairs of twins was randomly assigned to
treatment A or treatment B. The data are given in the following
table.
Twins |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
Treatment A |
48.3 |
44.6 |
49.7 |
40.5 |
54.3 |
55.6 |
45.8 |
35.4 |
Treatment B |
43.5 |
43.8 |
53.7 |
43.9 |
54.4 |
54.7 |
45.2 |
34.4 |
What is the p-value of the Wilcoxon signed-rank test?
Is there any significant evidence that the two treatments differ using an α = 0.05 and Wilcoxon-signed rank test.
Compare the p-value of the Wilcoxon-signed rank test and paired t-test.