What is a two-tailed test?


What is a two-tailed test?


A hypothesis is an educated guess or prediction that can be tested. It usually involves one situation that is thought to affect another situation. An example of a hypothesis is that warm environments increase the growth of bacteria.

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A two-tailed test is also called a non-directional hypothesis and tests the significance of a relationship between variables that may show positive or...

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One-Tailed Vs. Two-Tailed Tests: Differences & Examples


Chapter 14 / Lesson 4

Differentiate between one-tailed and two-tailed tests. Learn about directional and non-directional hypotheses and view one-tailed and two-tailed test examples.

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