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Sec. 9.1 The Basics of Significance Tests

Sec. 9.1 The Basics of Significance Tests

Author: Amy Scheer
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Tutorial

Sec. 9.1 Basics of Significance Tests - Writing Hypotheses

This section addresses how to write a null or an alternative hypothesis given a problem in context. We also introduce the definitions for hypotheses and significance tests.

Sec. 9.1 Basics of Significance Tests - A One-Sided Versus a Two-Sided Test

Example problems including writing hypotheses for one-sided and two-sided tests.

Sec. 9.1 Basics of Significance Tests - the P-Value in a Test of Significance

This section explains the purpose of the p-value in determining the validity of the null hypothesis.

Sec. 9.1 Basics of Significance Tests - Significance and Error

This section explains how we determine to reject or fail to reject the null hypothesis as well as explains the type of error associated with tests of significance.