(Answered) Question odometers measure automobile mileage how close to

Statistics

Question: Odometers measure automobile mileage. How close to the truth is the number that is registered? Suppose 12 cars traveled exactly 10 miles (measured by surveying) and the following mileage figures were recorded by the odometers. State the null hypothesis, choose an alternative hypothesis, perform a t test, and write a conclusion.

9.8 10.1 10.3 10.2 9.9 10.4 9.9 10.3 10.0 10.1 10.2

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