How automobiles equally distributed among three categories

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A researcher for an automobile manufacturer wishes to see if the ages of automobiles are equally distributed among three categories:less than 3 years old, 3 to 7 years old, and 8 years or older. A sample of 30 adult automobile owners is selected, and the results are shown. At alpha= 0.05 can it be considered that the ages of the automobiles are equally distributed among the three categories? what would the results suggest to a tire manufacturer?

Reference no: EM13139069

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