Guide to Using Minitab 14 For Basic Statistical Applications To Accompany Business Statistics: A Decision Making Approach, 8th Ed. Chapter 9: Introduction.

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Presentation transcript:

Guide to Using Minitab 14 For Basic Statistical Applications To Accompany Business Statistics: A Decision Making Approach, 8th Ed. Chapter 9: Introduction to Hypothesis Testing By Groebner, Shannon, Fry, & Smith Prentice-Hall Publishing Company Copyright, 2011

Chapter 9 Minitab Examples Hypothesis Test Hypothesis Test Hypothesis Test Hypothesis Test Franklin Tire Company

Hypothesis Test Franklin Tire Company Issue: The company wants to make the claim in advertisements that its new tire will average more than 60,000 miles. Objective: Use Minitab to test whether the population mean tire mileage exceeds 60,000 miles. Data file is Franklin.MTW

Open File Frankin.MTW File contains sample data for 100 tires Hypothesis Test - Franklin

Click on Stat – Basic Statistics – 1-Sample t Hypothesis Test - Franklin

Define variable of interest. Specify hypothesized mean. Click on Options. Hypothesis Test - Franklin

Select the confidence level (1 – alpha)100 and appropriate alternative hypothesis (greater than in this case) Hypothesis Test - Franklin Click OK - OK

Hypothesis Test - Franklin Calculated test statistic = 0.36 P-value = Based on these results, we do not reject Ho.

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