Researchers take separate random samples of 100 men and 100 women, asking each their preference among three brands (A, B, C). They want to determine if preference distributions are the same for men and women.
Which test is appropriate?
- A
Two-sample t-test
- B
Chi-square test of independence
- C
Chi-square goodness-of-fit
- Dcheck_circle
Chi-square test of homogeneity
Explanation
Two separate samples (men, women) are compared on a single categorical variable (brand). This is a chi-square test of homogeneity.