Even You Can Learn Statistics A Guide for Everyone Who Has Ever Been Afraid of Statistics

Chapter 7. Fundamentals of Hypothesis Testing

• 7.1 The Null and Alternative Hypotheses

• 7.2 Hypothesis Testing Issues

• 7.3 Decision-Making Risks

• 7.4 Performing Hypothesis Testing

• 7.5 Types of Hypothesis Tests

• Important Equations

• One-Minute Summary

• Test Yourself

Science progresses by first stating tentative explanations, or hypotheses, about natural phenomena and then by proving (or disproving) those explanations through investigation and testing. This scientific method has been adapted by statisticians to an inferential method called hypothesis testing that seeks to evaluate a claim made about the value of a population parameter by using a sample statistic. In this chapter, you will learn the basic concepts and principles of hypothesis testing and the statistical ...