A common objective in applying a statistical test is to compare the mean (average) of one sampled group with some hypothesized mean or the mean of a population. For example, you might want to compare ...

A one-tailed test is a statistical hypothesis test set up to show that the sample mean would be higher or lower than the population mean, but not both. When using a one-tailed test, the analyst is ...

Learn the difference between the standard error of the mean and the standard deviation and how each is used in statistics and finance.

In industry, one sometimes compares a sample mean and minimum, or a mean and maximum, to reference values to determine whether a lot should be accepted. Particularly prominent examples of such ...

Two k-sample versions of an Anderson-Darling rank statistic are proposed for testing the homogeneity of samples. Their asymptotic null distributions are derived for the continuous as well as the ...