Question: 1. State three ways that nonparametric tests differ from parametric tests.
2. A chi-square test is used when we measure data on what scale of measurement?
3. Why is a chi-square called a goodness-of-fit test?
4. Define the following terms:
(a) Frequency observed ({)
(b) Frequency expected (fe)
5. Write the formula for finding the expected frequency for a chi-square goodness-of-fit test.
6. What is the decision likely to be for values of X2 obt close to 0?
7. How are the degrees of freedom computed for each test listed below?
(a) A chi-square goodness-of-fit test
(b) A chi-square test for independence