Learning Objectives

Read pages 192-221 in your textbook.

After reading and studying this chapter, you should be able to do the following:

7.1 Define the terms Type I error and Type II error, and explain their significance in hypothesis testing

7.2 Identify and describe the four steps in conducting a hypothesis test

7.3 Explain the importance of the null hypothesis and the alternative hypothesis in conducting a hypothesis test

7.4 Compare and contrast a one-tailed test and a two-tailed test

7.5 Describe the relationship between a significance level and the rejection zone in conducting a hypothesis test

7.6 Explain why rejecting a null hypothesis or failing to reject a null hypothesis are mutually exclusive and collectively exhaustive