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In Order to Compare the Life Expectancies of Three Different α\alpha

Question 87

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In order to compare the life expectancies of three different brands of tires, ten tires of each brand were randomly selected and were subjected to standard wear testing procedures. Information regarding the three brands is shown below. In order to compare the life expectancies of three different brands of tires, ten tires of each brand were randomly selected and were subjected to standard wear testing procedures. Information regarding the three brands is shown below. Use the above data and test to see if the mean mileage for all three brands of tires is the same. Let \alpha = 0.05. Use both the critical value and p-value approaches. Use the above data and test to see if the mean mileage for all three brands of tires is the same. Let α\alpha = 0.05. Use both the critical value and p-value approaches.

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SSTR = 140
MSTR = 70
SSE = 81
...

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