What is a chi-squared test used to measure? Statistics Chi-Square Procedures Chi-Square Tests for Independence and Homogeneity 1 Answer marfre Feb 26, 2017 The #chi ^2# test is used to investigate whether distributions of categorical variables differ from one another. Explanation: The #chi ^2# test can only be used on actual numbers, not on percentages, proportions or means. The #chi ^2# statistic compares the tallies or counts of categorical responses between two or more independent groups. In summary: The #chi ^2# test is used to investigate whether distributions of categorical variables differ from one another. Answer link Related questions What is the difference between a chi square test of independence and a chi square test for homogeneity? What is a chi-squared distribution? When can you use a chi-squared test? What can a chi-squared distribution be used to describe? What is a chi-squared test for independence? What is Pearson's chi-squared test? What is the difference between the chi-squared test for independence and the chi squared test... What type of data should a chi-squared test be applied to? What can chi-squared tests indicate about categorical data? What is the expected value of a chi-squared distribution? See all questions in Chi-Square Tests for Independence and Homogeneity Impact of this question 5049 views around the world You can reuse this answer Creative Commons License