Note that the Mantel-Haenszel chi-square statistic is appropriate only when both variables lie on an ordinal scale. The other chi-square tests and statistics in this section are appropriate for either ...

Example of How to Use a Chi-Square (χ2) Statistic For example, consider an imaginary coin with exactly a 50/50 chance of landing heads or tails and a real coin that you toss 100 times.

The null hypothesis that the proportions or relative abundance among j mutually exclusive categories (e.g., species or sizes) is the same for two or more populations (e.g., locations or sexes, ...

The aim of this paper is to relate and extend some recent work on chi-square goodness-of-fit tests. There is no discussion of any problems which are specifically associated with more than one ...

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.