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Hypothesis testing using ANOVA

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Three different brands of all season radial tires were tested for wear characteristics. For each brand, 4 tires were selected and subjected to a standard wear test. The distance (thousands of kilometers) achieved by these tires is provided in the table below.

Brand 1 Brand 2 Brand 3
91 99 83
100 96 88
88 94 89
89 99 76

At the 5% level of significance, is there a difference in the mean distances achieved by each of the brands?

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Solution Summary

Uses ANOVA to test the hypothesis that there a difference in the mean distances achieved by each of the brands of radial tires.

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