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Business Statistics: For Contemporary Decision Making, 7th Edition
book

Business Statistics: For Contemporary Decision Making, 7th Edition

by Ken Black
October 2011
Intermediate to advanced content levelIntermediate to advanced
928 pages
36h 13m
English
Wiley
Content preview from Business Statistics: For Contemporary Decision Making, 7th Edition

CHAPTER 16

Analysis of Categorical Data

LEARNING OBJECTIVES

The overall objective of this chapter is to give you an understanding of two statistical techniques used to analyze categorical data, thereby enabling you to:

  1. Use the chi-square goodness-of-fit test to analyze probabilities of multinomial distribution trials along a single dimension and test a population proportion.
  2. Use the chi-square test of independence to perform contingency analysis.

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image Selecting Suppliers in the Electronics Industry

image What criteria are used in the electronics industry to select a supplier? In years past, price has been the dominant criterion of suppliers in many industries, and the supplier with the low bid often got the job. In more recent years, companies have been forced by global competition and a marked increase in quality to examine other aspects of potential suppliers.

Pearson and Ellram investigated the techniques used by firms in the electronics industry to select suppliers, and they wanted to determine if there is a difference between small and large firms in supplier selection. They sent out a survey instrument with questions about criteria used to select and evaluate suppliers, the participation ...

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Publisher Resources

ISBN: 9781118213957Purchase book