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Explore t-tests: the statistical testing analysis that helps make data insights more reliable. Learn how to use t-tests for confident, data-driven decisions.

In this post, I show you how t-tests use t-values and t-distributions to calculate probabilities and test hypotheses. As usual, I’ll provide clear explanations of t-values and t-distributions using concepts and graphs rather than formulas! If you need a primer on the basics, read my hypothesis testing overview. What Are t-Values?

What is a T Test? A t test is a statistical hypothesis test that assesses sample means to draw conclusions about population means. Frequently, analysts use a t test to determine whether the population means for two groups are different.

What does To a T mean? Learn the definition of To a T & other commonly used words, phrases, & idioms in the English language. Learn more!

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