A statistical test that allows one to determine whether observed quantities of a specific characteristic differed from the expected value purely by chance.

Also, PROC FREQ computes the following statistics derived from the Pearson chi-square: the phi coefficient, the contingency coefficient, and Cramer's V. PROC FREQ computes Fisher's exact test for ...

The following is a summary of “Knowledge and attitudes of primary care physicians regarding acromegaly: a survey study with ...

Pearson's chi-square test works well with genetic data as long as there are enough expected values in each group. In the case of small samples (less than 10 in any category) that have 1 degree of ...