1. Guide to Using Minitab 14 For Basic Statistical Applications
To Accompany
Business Statistics: A Decision Making Approach, 6th Ed.
Chapter 8:
Estimating Single Population Parameters By
Groebner, Shannon, Fry, & Smith
Prentice-Hall Publishing Company
Copyright, 2008

2. Chapter 8 Minitab Examples
Histogram
Nagel Beverage Company
Interval Estimation
Heritage Software

3. Histogram Construction Nagel Beverage Company
Issue: The manager is interested in viewing the graphical characteristics of the sample fill amounts in soft-drink cans.
Objective: Use Minitab to help construct a histogram of the sample fill volumes.
Data file is Nagel-Beverage.MTW

4. Histogram – Nagel Beverage
Open File Nagel-Beverage.MTW
File contains sample data for 100 cans.

5. Histogram – Nagel Beverage
Select Graph - Histogram

6. Histogram – Nagel Beverage
Select Simple

7. Histogram – Nagel Beverage
Specify the variable to be graphed, Click OK.

8. Histogram – Nagel Beverage
Finished Histogram

9. Interval Estimation Heritage Software
Issue: The company has service representatives who answer calls from customers. The managers are interested in estimating the mean call time
Objective: Use Minitab to help construct a confidence interval for the population mean call time.
Data file is Heritage.MTW

10. Interval Estimation – Heritage Software
Open File Heritage.MTW
File contains sample data for 25 calls

11. Interval Estimation – Heritage Software
Use Stat – Basic Statistics – 1-Sample t

12. Interval Estimation – Heritage Software
Select variable for analysis – Click on Options

13. Interval Estimation – Heritage Software
Enter confidence level
Click OK - OK

14. Interval Estimation – Heritage Software
95 % Confidence Interval