A chi-square (χ2) statistic is a test that is used to measure how expectations compare to actual observed data or model ...

A chi-square (also called chi-squared) test is a classical statistics technique that can be used to determine if observed-count data matches expected-count data. A chi-square (also called chi-squared) ...

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 ...

This is a preview. Log in through your library . Abstract The null hypothesis that the proportions or relative abundance among j mutually exclusive categories (e.g., species or sizes) is the same for ...