Chi-square test is used to test: Group of answer choices Relationship between two bivariate variables Difference in means of 3 or more set of variables Difference in means of two independent variables Difference in proportion
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The chi-square test compares a. the difference in means for two groups at a time. b. the difference in means for more than two groups. c. the variance of one group with the variance of others. d. the difference between expected and observed frequency counts.
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The two-way X² (chi-squared) is a test of: a. difference between mean ranks in more than two categories. b. goodness of fit of observed frequencies to population frequencies. c. whether two variables are independent. d. difference between mean ranks in two categories.
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Question 6 (2 points) A statistically significant two-way chi-square (also called the chi-square test of independence or contingency analysis) indicates: A) the two variables are not associated. B) the proportions in the independent variable are equal. C) the means of the two groups are different from one another. D) the two variables are associated.
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