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 ...

The chi-square test is a statistical hypothesis test that is used to compare observed and expected counts in a contingency table. Its uses include: tests for independence, tests for homogeneity, and ...

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

A difficulty associated with current hypothesis tests for generalized estimating equations is that, if the working correlation assumption is incorrect, then consistent estimates of the true covariance ...

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 ...