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Gas mileage for these cars deviate

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Reference no: EM132188068

A car company claimed their super spiffy sedan average 31 mpg. You randomly selected 8 super spiffy sedans from local car dealerships and test their gas mileage under similar conditions. You get the following mpg scores..

MPG: 30, 28, 32, 26, 33, 25, 28, 30. Does the actual gas mileage for these cars deviate significantly from 31 mpg?

  1. State the hypothesis.
  2. Compute the statistics
  3. Make a hypothesis decision.
  4. Answer the research questions.

Reference no: EM132188068

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