Skip to Content
Business Statistics: For Contemporary Decision Making, 8th Edition
book

Business Statistics: For Contemporary Decision Making, 8th Edition

by Ken Black
October 2013
Intermediate to advanced
608 pages
34h 35m
English
Wiley
Content preview from Business Statistics: For Contemporary Decision Making, 8th Edition

CHAPTER 8

Statistical Inference: Estimation for Single Populations

LEARNING OBJECTIVES

The overall learning objective of Chapter 8 is to help you understand estimating parameters of single populations, thereby enabling you to:

1. Estimate the population mean with a known population standard deviation with the z statistic, correcting for a finite population if necessary.

2. Estimate the population mean with an unknown population standard deviation using the t statistic and properties of the t distribution.

3. Estimate a population proportion using the z statistic.

4. Use the chi-square distribution to estimate the population variance given the sample variance.

5. Determine the sample size needed in order to estimate the population mean and population proportion.

images

images

Batteries and Bulbs: How Long Do They Last?

What is the average life of a battery? As you can imagine, the answer depends on the type of battery, what it is used for, and how it is used. Car batteries are different from iPhone batteries, which are different from flashlight batteries. Nevertheless, a few statistics are available on the life of batteries. For example, according to Apple, an iPhone 4 has up to 300 hours of life if kept in standby, without making any calls or running any applications. In a PCWorld study, several ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Business Statistics: For Contemporary Decision Making, 7th Edition

Business Statistics: For Contemporary Decision Making, 7th Edition

Ken Black
Financial Accounting, 9th Edition

Financial Accounting, 9th Edition

Paul D. Kimmel, Donald E. Kieso, Jerry J. Weygandt

Publisher Resources

ISBN: 9781118494769Purchase bookOtherOther