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 z-test is a statistical test used to determine whether two population means are different when the variances are known and the sample size is large.

By studying the properties of small sample sizes, William Sealy Gosset developed a statistical test that required fewer samples to produce a reasonable result.

Alpha risk is the risk in a statistical test of rejecting a null hypothesis when it is actually true.

Misuse of statistics in medical and sports science research is common and may lead to detrimental consequences to healthcare. Many authors, editors and peer reviewers of medical papers will not have ...

STATISTICAL TEST SUITE OF FIPS PUB 140-2 In the documentation of FIPS PUB 140-2, statistical random number generator tests are defined as follows: If statistical random number generator tests are ...

This paper presents and illustrates a simple statistical test for judging whether one of two materials or treatments is better than the other. The data to which the test is applied consist of paired ...

The authors use their algorithm to calculate Tajima's D, a popular statistical test that measures natural selection at a specific site by analyzing differences in a sample of sequences from a ...