1. Chapter Thirteen
Chapter 13

2. Relationship to Marketing
Figure Relationship of Sample Size Determination to the Previous Chapters and the Marketing Research Process
Figure Relationship to the Previous Chapters & The Marketing Research Process
Focus of This
Chapter
Relationship to
Previous Chapters
Relationship to Marketing
Research Process
Figure Relationship to the Previous Chapters & The Marketing Research Process
Statistical Approach to Determining Sample Size
Adjusting the Statistically Determined Sample Size
Research Design Components (Chapter 3)
Sampling Design Process (Chapter 12)
Problem Definition
Approach to Problem
Research Design
Field Work
Data Preparation
and Analysis
Report Preparation
and Presentation

3. Figure 13.2 Final & Initial Sample Size Determination: An Overview
Figure Final and Initial Sample Size Determination: An Overview
Opening Vignette
Figure Final & Initial Sample Size Determination: An Overview
Definitions and Symbols
Table 13.1
The Sampling Distribution
Fig 13a.1-13a.3
Appendix 13a
Internet Applications
Statistical Approach to Determining Sample Size
Fig 13.3
Focus on Elrick & Lavidge
Confidence Interval Approach
Fig 13.4
Table 13.2
Means
Proportions
Adjusting the Statistically Determined Sample Size
Application to Contemporary Issues
TQM
International
Technology
Ethics

4. Figure 13.3 The Confidence Interval Approach & Determining Sample Size
Figure The Confidence Interval Approach and Determining Sample Size
Figure The Confidence Interval Approach & Determining Sample Size
Confidence Interval
Approach
Means
Proportions

5. Figure 13.4 95% Confidence Interval
0.475
0.475 XL _ X _ XU _

6. Figure 13A.1 Finding Probabilities Corresponding to Known Values
Area is
Area between µ and µ + 1 s =
Area between µ and µ + 2 s =
Area between µ and µ + 3 s =
X Scale

7. Figure 13A.2 Finding Values Corresponding to Known Probabilities
Area is 0.450
Area is 0.500
Figure 13A.2 Finding Values Corresponding to Known Probabilities
Area is 0.050
X Scale X 50
Z Scale -Z

8. Figure 13A. 3 Finding Values Corresponding to Known
Figure 13A.3 Finding Values Corresponding to Known Probabilities: Confidence Interval
Figure 13A.3 Finding Values Corresponding to Known Probabilities: Confidence Interval
Area is 0.475
Area is 0.475
Area is 0.025
Area is 0.025
X Scale X 50
Z Scale -Z +Z

9. Table 13.1 Symbols for Population and Sample Variables

10. Table 13.2 Sample Size Determination for Means and Proportions