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.
A bi-modal distribution has two modes. In other words, outcome of two processes with different distributions are combined in one set of data.
Specification limits are set by the customers; often, Voice of the Customer is referred to as the customer specification limits.
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.