# Determine whether there is differences among four tire brands

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A Tire Company must determine which of four tire brands supplies the most amount of

tire wear. It has been decided that all four tires are to be placed on each of eight cars. This

design should allow us to compare tires without having differences in cars affect the

comparison. Determine whether there is differences among the four tire brands. If there

are differences define exactly which tires are the same and which are different Use the

six-step approach to analyze this data. Explain what test to use.

1. State the hypothesis

2. Specify a(Alpha) = 0.05

3. Define the test statistic

4. Define reject region

5. Calculate test statistic

6. Determine reject or not reject and explain why.

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##### Solution Summary

A Tire Company must determine which of four tire brands supplies the most amount of

tire wear. It has been decided that all four tires are to be placed on each of eight cars. This

design should allow us to compare tires without having differences in cars affect the

comparison. Determine whether there is differences among the four tire brands. If there

are differences define exactly which tires are the same and which are different Use the

six-step approach to analyze this data. Explain what test to use.

##### Purchase this Solution

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