## Chi-square Test- Definition, Formula, Uses, Table, Examples, Applications

What is a Chi-square test? A Chi-square test is performed to determine if there is a difference between the theoretical population parameter and the observed data. Chi-square test is a non-parametric test where the data is not assumed to be normally distributed but is distributed in a chi-square fashion. It allows the researcher to test factors like a number of factors like the goodness of fit, the significance of population variance, and the homogeneity or difference in population variance. This … Read more