t-Test, One Sample

Broadly speaking, the t-test is a statistical procedure used when one hopes to compare the means of two groups. The t-test is considered a type of inferential statistic because, with it, one is attempting to infer something about the population from the sample data. In other words, one takes the knowledge about the sample and makes claims about the population. The t-test can also be classified as a parametric test.

To be more specific, there are three main types of t-tests, each of which are important communication research measures. They include the one-sample t-test, the independent samples t-test, and the paired samples t-test. The focus of this entry is the one-sample t-test. This test is often considered to be the “classic” form of the t-test. ...

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