The F-distribution, also known Fisher-Snedecor distribution, is used to test for equality of variances from two normal populations.
A Hypergeometric Distribution is used to test probabilities for dependent trials. Learn what’s needed for Six Sigma certification.
Z scores are the number of standard deviations a score or a value (x) away from the mean and are a measure of the dispersion of data.
A Chi-Square goodness of fit test tells how well a categorical (nominal or ordinal) sample distribution fit into a hypothetical distribution.
The chi square (χ2) distribution is the best method to test a population variance against a known or assumed value of the population variance