F-test: Definition, Assumptions, Advantages, Disadvantages, Application, and Real-Life Example
Definition The F-test is a statistical test used to compare the variances of two or more samples. It is based on the F-distribution, which arises when the ratio of two independent chi-squared distributions (each divided by its degrees of freedom) follows an F-distribution. The F-test is often used to determine if the variability within groups […]