Hypothesis Testing 4--Chi-Square for Goodness of Fit Tests and Independence In Hypothesis Testing 1, 2 and 3, you have used normal and t-distributions to test hypotheses. Chi-Square tests use the ...

A Tutorial In T-Tests and ANOVA using JMP A Tutorial In T-Tests and ANOVA using JMP Course Topics This short course provides an overview of statistical analyses useful for comparing the means for one ...

A t-test for a population mean tests the population mean against a hypothesized value. It is appropriate when the population standard deviation is unknown and the sample size is small. This applet ...

In the analysis of microarray data, and in some other contemporary statistical problems, it is not uncommon to apply hypothesis tests in a highly simultaneous way. The number, N say, of tests used can ...

Learn what a t-test is and discover the five standard assumptions made regarding the validity of sampling and data used in a t-test.

Sample surveys often have complex sample designs with multistage cluster sampling, stratification, and differential selection probabilities. This article is concerned with testing the null hypothesis ...