When you have completed this chapter, you will be able to:

1. Define a hypothesis and hypothesis testing.



2. Describe the five-step hypothesis-testing procedure.



3. Distinguish between a one-tailed and a two-tailed test of hypothesis.



4. Conduct a test of hypothesis about a population mean.



5. Conduct a test of hypothesis about a population proportion.



6. Define Type I and Type II errors.



7. Compute the probability of a Type II error.