Non-parametric Tests Archives

Chi-square test of goodness of fit with examples

May 18, 2021April 14, 2021 by Dr. Raju Chaudhari

Chi-square test of goodness of fit Chi-square test of goodness of fit is a non-parametric test. One of the principle use of $\chi^2$-distribution is to test how well an observed distribution fits to a theoretical one. That is, the chi-square test of goodness of fit enables us to compare the distribution of classes of observations …

Chi-square test of independence with examples

May 18, 2021January 4, 2021 by Dr. Raju Chaudhari

Chi-square test of Independence Assumptions The two variables should be measured at an ordinal or nominal level. Each variable should consist of two or more categories. For example, the variable Socio-Economic Status : Low,medium and high, the variable gender : Male, Female Step by Step Procedure for Chi-square test of independence Suppose that a given …