Homogeneity
Definition
Refers to the similarity or equality between multiple groups or populations. In statistics, it specifically refers to whether multiple categorical variables have similar distributions.
Related terms
Independence: When events or variables are not influenced by one another. Independence is often assumed when testing for homogeneity using a chi-squared test.
Contingency table: A table that summarizes categorical data from two or more groups, showing their joint frequencies.
Expected frequency: The count or proportion that would be expected under the assumption of independence.
"Homogeneity" appears in:
Subjects (1)
Practice Questions (6)
- In a chi-squared test for homogeneity, what does the alternative hypothesis indicate?
- What is the purpose of a chi-squared test for homogeneity?
- How many populations are involved in chi-square tests of homogeneity?
- Which test statistic is used to carry out a chi-square test for homogeneity or independence?
- In a chi-square test for homogeneity, what are we comparing?
- What does a small χ2 statistic indicate in a chi-square test for homogeneity?
