Chi-Square Test of Homogeneity – Fresh Take

  • Complete a chi-square test of homogeneity
  • Write the conclusion of a chi-square test of homogeneity in context of the problem
A chi-square test of homogeneity determines if two or more populations (or subgroups of a population) have the same distribution of a single categorical variable. The formula for the chi-square test statistic:

[latex]\chi^2=\sum\dfrac{(\text{Observed}-\text{Expected})^2}{\text{Expected}}[/latex]