Chapter 17
1. Explain the principle of randomization.
2. What is the reason that rank randomization tests rather than pure randomization
tests are conducted.
3. Which is more powerful: randomization or rank randomization tests? Why?
4. Conduct a rank randomization test, a randomization test, and a t test for
the data shown below. Make all tests two-tailed.
Group 1 Group 2 9 5 7 2 12 8 16 4 14 10