When you specify the CHISQ option in the TABLES statement, PROC FREQ performs the following chi-square tests for each two-way table: Pearson chi-square, continuity-adjusted chi-square for 2 ×2 tables, ...

computes a chi-square goodness-of-fit test for specified proportions. The chi-square goodness-of-fit test examines whether the children's hair color has a specified multinomial distribution for two ...

Recall that a chi-squared test of independence can be used for two categorical variables and write down the null hypothesis for this test Explain the basic idea of a chi-squared test, namely that the ...

"Significance" has a very particular meaning in biology thanks to statistics. How does this term prove an experiment's results are worth special attention?

In this article we study how to approximate a random variable T of general chi-squared—type mixtures by a random variable of the form $\alpha \chi _{d}^{2}+\beta ...

Two samples can be compared by selecting a cut point and forming a 2 X 2 table of the numbers of observations above and below the cut point in each sample. Different cut points correspond to the ...