How many categories can a variable in a chi-square test have?
Question 1How many categories can a variable in a chi-square test have?
1
2
3
unlimited
Found in Chapter 10 in section 10.2, The Chi-Square Tests
Question 2The table used to organize the data in a chi-square test of independence is called a _____.
significance table
contingency table
continuity table
effect table
Question 3The chi-square test of independence has how many variables?
1
2
3
unlimited
Question 4Chi-square tests are designed to use which scale of data?
Nominal
Ordinal
Interval
Ratio
Question 5The phi coefficient is appropriate to use to determine the strength of the relationship between two nominal variables when the chi-square test of independence is statistically significant AND _____.
at least one of the variables has only two levels.
there are at least 5 degrees of freedom.
both variables have three or more levels.
the chi-square value is negative.
Question 6Cramer’s V should be used to determine the strength of the relationship between two nominal variables when the chi-square test of independence is statistically significant AND _____.
at least one of the variables has only two levels.
there are at least 5 degrees of freedom.
both variables have three or more levels.
the chi-square value is negative.
Question 7Which of these variables is likely to be on a nominal scale?
grade-point average
height
weight
college major
Question 8A chi-square test compares expected frequencies to _____.
observed frequencies
theoretical frequencies
the normal distribution
nonequivalent frequencies
Question 9In the 1 x k and r x k chi-square tests, the k represents _____.
the number of columns or categories in the problem.
the kurtosis of the distribution.
the correlation coefficient.
the contingency coefficient.
Question 10Two kinds of chi-square tests are which?
Goodness-of-fit and independent t-test
Goodness-of-fit and test of independence
Test of independence and regression
Correlation and regression
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