Chapter 17

Which of the following nonparametric tests is used to compare the magnitude and direction of differences between two groups?

Wilcoxon rank

A one-sample chi-square is also known as a ________.

Goodness of fit test

Which of the following nonparametric tests is used to examine the correlation between ranks?

Spearman rank

Spearman rank

30

Statistics that are not governed by the parameters of the population are referred to as ___________ statistics.

Nonparametric

Which of the following nonparametric tests is used to determine if the number of occurrences across categories is random?

Chi-square

Which of the following compares the overall difference between two or more independent samples?

Kruskal-Wallis one-way ANOVA

Which of the following is used to compare the medians from two samples?

The sign test

Nonparametric statistics are known as ___________

Distribution-free statistics

If you have 100 respondents identifying their political affiliation (i.e. Democrat, Republican, or Independent) what would the expected frequency be for each category?

33

Which of the following is the correct formula for the one-sample chi-square?

?2 = ? (E - O)2 / E

In calculating a one sample chi-square test, if you had 4 degrees of freedom, your variable would have this number of categories:

5

Which of the following compares the overall difference between two or more independent samples on more than one dimension?

Friedman two-way ANOVA

Which of the following computes the exact probability of outcomes in a 2 x 2 table

Fisher's exact test

If there is no difference between what is observed and what is expected, your chi-square value will b

0

When conducting a chi-squared test, the categories of your variable(s) must be

Mutually exclusive

In the following result: ch17q26-29, what is 8.4?

The observed value

If there are five categories for which you are calculating a one-sample chi-square, what are the degrees of freedom?

4

In the following result: ch17q26-29, what is .05?

The significance level

In the following result: ch17q26-29, what is 3?

The degrees of freedom

In the following result: ch17q26-29, what is x2?

The chi-square statistic

Which of the following nonparametric tests is used to determine if scores from a sample came from a specified population?

Kolmogorov-Smirnov

If you have 100 respondents identifying their gender, what would the expected frequency be for each category?

50

A two-sample chi-square is also known as a ______

Test of independence

Which of the following nonparametric tests is used to compare two independent samples?

Mann-Whitney U