1. Chapter 12 – Inference about a Population
Statistics for Management and Economics-Sixth Edition Gerald Keller – Brian Warrack
Chapter 12 – Inference about a Population

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Excel t-Test Mean

3. Minitab One-Sample T: Packages
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Minitab One-Sample T: Packages

4. ©2003 Brooks/Cole, a division of Thomson Learning, Inc
©2003 Brooks/Cole, a division of Thomson Learning, Inc. Thomson Learning™ is a trademark used herein under license.
Figure Sampling distribution of the test statistic for Example 12.1

5. Excel t-Test: Estimate
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Excel t-Test: Estimate

6. Minitab One Sample T: Returns
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Minitab One Sample T: Returns

7. ©2003 Brooks/Cole, a division of Thomson Learning, Inc
©2003 Brooks/Cole, a division of Thomson Learning, Inc. Thomson Learning™ is a trademark used herein under license.
Figure 12.2

8. ©2003 Brooks/Cole, a division of Thomson Learning, Inc
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Figure 12.3

9. Excel Chi Squared Test: Variance
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Excel Chi Squared Test: Variance

10. Figure 12.4 Sampling distribution Example 12.3
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Figure Sampling distribution Example 12.3

11. Excel Chi Squared Estimate: Variance
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Excel Chi Squared Estimate: Variance

12. ©2003 Brooks/Cole, a division of Thomson Learning, Inc
©2003 Brooks/Cole, a division of Thomson Learning, Inc. Thomson Learning™ is a trademark used herein under license.
Figure 12.5

13. Excel z-Test: Proportion
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Excel z-Test: Proportion

14. Minitab Test and Cl for one proportion: Votes
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Minitab Test and Cl for one proportion: Votes

15. Excel z-Estimate: Proportion (Nielsen Ratings: Solution)
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Excel z-Estimate: Proportion (Nielsen Ratings: Solution)

16. ©2003 Brooks/Cole, a division of Thomson Learning, Inc
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Minitab Test for Cl for One Proportion: Shows (Nielsen Ratings: Solution)

17. Figure 12.6 Plot of p versus p (1 – p)
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Figure Plot of p versus p (1 – p) 

18. Excel z-Estimate: Proportion
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Excel z-Estimate: Proportion

19. Minitab Test and Cl for one Proportion: Group
©2003 Brooks/Cole, a division of Thomson Learning, Inc. Thomson Learning™ is a trademark used herein under license.
Minitab Test and Cl for one Proportion: Group