All the two-way test statistics described in this section test the null hypothesis of no association between the row variable and the column variable. When the sample size n is large, these test ...

Evolve and resequence studies provide a popular approach to simulate evolution in the lab and explore its genetic basis. In this context, Pearson’s chi-square test, Fisher’s exact test as well as the ...

Resources Sampling distribution of a chi-square statistic: Chi-Square Contingency Analysis This applet allows users to conduct a chi-square test using a dataset displayed in a contingency table.