CHAPTER 9
Statistical Inference: Hypothesis Testing for Single Populations
LEARNING OBJECTIVES
The main objective of Chapter 9 is to help you to learn how to test hypotheses on single populations, thereby enabling you to:
1. evelop both one- and two-tailed null and alternative hypotheses that can be tested in a business setting by examining the rejection and nonrejection regions in light of Type I and Type II errors.
2. Reach a statistical conclusion in hypothesis testing problems about a population mean with a known population standard deviation using the z statistic.
3. Reach a statistical conclusion in hypothesis testing problems about a population mean with an unknown population standard deviation using the t statistic.
4. Reach a statistical conclusion in hypothesis testing problems about a population proportion using the z statistic.
5. Reach a statistical conclusion in hypothesis testing problems about a population variance using the chi-square statistic.
6. Solve for possible Type II errors when failing to reject the null hypothesis.
Valero: Refining and Retailing
The Valero Energy Corporation, a Fortune 500 company based in San Antonio, is a major success story both in refining and in retailing. Valero, named after the mission—San Antonio de Valero—more commonly known as ...
Get Business Statistics: For Contemporary Decision Making, 8th Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
