e-Statistics > Worksheet Data Sets

Tire Test

A consumer testing agency wants to determine the average number of miles that can be obtained tires of a manufacturer. The agency randomly selected 60 tires from the manufacturer's warehouse and placed the tires on 15 cars driven by test drivers on a 2-mile oval track. The number of miles driven (in thousands of miles) until the tires are determined to be worn out is given in the following table.

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