1. Nonparametric tests should not be used when ______.
the dependent variables are ordinal scales
the assumptions of parametric tests are met
the associations being tested involve categorical variables
the population distribution is heavily skewed
2. Chi-square tests are used to analyze ______.
continuous variables
frequency of data
skewness
medians
3. The ______ tests are more powerful than the ______ tests,which means the ______ is higher for nonparametric tests.
nonparametric; parametric; type II error
parametric; nonparametric; type I error
nonparametric; parametric; type I error
parametric; nonparametric; type II error
4. Expected frequencies are obtained in rows-by-columns tableassuming that the row and column categorizations are ______.
related to each other
independent of each other
equal
dependent on each other
5. Which of the following is a possible null hypothesis for achi-square test?
The two categorical variables are unrelated in thepopulation.
The means of populations in two independent groups areequal.
The distribution of scores for the first population is differentfrom the distribution of scores for the second population.
The two categorical variables are related in the population.
6. If you have a 5 × 5 frequency table, then the critical valueof chi-square would be based on ______ degrees of freedom.
10
8
25
16
7. The degrees of freedom of the chi-square test depend on______.
number of cells
sample size and number of cells
number of columns, number of rows, and sample size
number of columns and number of row
8. If the results of a study using the chi-square tests aresummarized as ?2(2, N = 40) = 3.31, p> .05, then you would know that the total number of participantswas ______.
44
11
10
40
9. What is the critical value for chi-square when alpha = 0.05and the degrees of freedom are 11?
19.68
11.08
24.72
26.57
10. If the results of a study using the chi-square tests aresummarized as ?2(1, N = 360) = 10.11,p < .01, then you would know that it was a ______study.
2 X 2
2 X 3
1 X 3
3 X 3
