1. Guide to Using Minitab 14 For Basic Statistical Applications
To Accompany
Business Statistics: A Decision Making Approach, 7th Ed.
Chapter 3:
Describing Data Using Numerical Measures By
Groebner, Shannon, Fry, & Smith
Prentice-Hall Publishing Company
Copyright, 2008

2. Chapter 3 Minitab Examples
Population Mean
Foster City Hotel
Mean, Median,and Mode
US Companies 2005
More Examples

3. Chapter 3 Minitab Examples (continued)
Measures of Variation
US Companies 2005
Empirical Rule
Burger N’ Brew

4. Population Mean Foster City Hotel
Issue: Determine the mean nightly revenue for the Foster City Hotel.
Objective: Use Minitab to calculate the population mean revenue
Data File is FosterCity.MTW

5. Population Mean – Foster City Hotel
Open the Minitab file called FosterCity.MTW

6. Population Mean – Foster City Hotel
Select Stat – Basic Statistics- Display Descriptive Statistics

7. Select the desired variables
Population Mean – Foster City Hotel
Select the desired variables
Click on Statistics

8. Population Mean – Foster City Hotel
Select Desired Statistics – Click OK

9. Population Mean – Foster City Hotel
Population Means

10. Mean, Median and Mode US Companies 2005
Issue: Can we produce a diagram which will enable us to review the various 2005 closing stock prices??
Objective: Use Minitab to develop histograms for the closing prices for the listed stocks and funds
The file is US Companies 2005.MTW

11. Mean, Median, and Mode – US Companies 2005
Open the file US Companies 2005.MTW
Note: Due to the size of the file, Minitab 15 was used. The procedure for Minitab 14 is practically identical.

12. Mean, Median, and Mode – US Companies 2005
Select Graph, Histogram, Simple, OK

13. Mean, Median, and Mode – US Companies 2005
Select Stock Price, OK

14. Mean, Median, and Mode – US Companies 2005

15. Measures of Variation US Companies 2005
Issue: Determine the Standard Deviation, Minimum and Maximum for selected US Companies Stocks and funds
Objective: Use Minitab to calculate the standard deviation, minimum and maximum for selected US Companies Stocks and funds .
Data file is US companies 2005.MTW

16. Standard Deviation and Range – US Companies 2005
Open file US Companies 2005.MTW

17. Standard Deviation and Range - US Companies 2005
Select Stat, Basic Statistics, Display Descriptive Statistics

18. Standard Deviation and Range – US Companies 2005
Select Mean, Standard Deviation, Minimum, Maximum, Range and OK

19. Standard Deviation and Range – US Companies 2005
The Session Window presents the statistics that were requested

20. Empirical Rule Burger N’ Brew
Issue: Analyze the Phoenix Burger Sales Distribution
Objective: Use Minitab to compute graphs and numerical measures necessary for using the empirical rule to analyze sales at Burger N’ Brew
Data file is BurgerNBrew.MTW

21. Empirical Rule – Burger N’ Brew
Open the data file called BurgerNBrew.MTW
Data File contains sales for 365 days.

22. Empirical Rule – Burger N’ Brew
Select Graph- Histogram -Simple – Click OK

23. Empirical Rule – Burger N’ Brew
Identify variable for analysis – Click OK

24. Empirical Rule – Burger N’ Brew
Finished Histogram – Bell Shaped Distribution

25. Empirical Rule – Burger N’ Brew
To compute numerical measures – Click Stat – Basic Statistics – Display Descriptive Statistics –Enter Desired Variable – Click Statistics

26. Empirical Rule – Burger N’ Brew
Select Mean and Standard Deviation – Click OK

27. Empirical Rule – Burger N’ Brew
Mean and Standard Deviation
Empirical Rule:
68% within (1)3.14
95% within (2)3.14
99.7% within (3)3.1