Read on to learn more about what a t-test is, the different formulas used, and when to apply each type to compare means and ...

In the Two-Sample Test for Variances task, you can test whether two variables have different variances, or, if you have a single variable that contains values for two groups, you can determine whether ...

In the Two-Sample Test for Proportions task, you can determine whether two probabilities are the same. The data analyzed in this example are taken from a study measuring the accuracy of two computer ...

What is a one sample t test? The t test is a commonly used hypothesis test in statistics that allows us to compare the mean value of a group of sampled data with some hypothesized value, usually a ...

The Annals of Statistics, Vol. 48, No. 3 (June 2020), pp. 1304-1328 (25 pages) We propose a two-sample test for high-dimensional means that requires neither distributional nor correlational ...