Part III Inference
Chapter 13 Samples and Surveys
The Claim “Ranked Tops in Initial Quality” Often Appears in Advertisements for New Cars.
Have you ever wondered how the winner is determined?
J. D. Power and Associates annually sends a questionnaire to owners of new cars. Did they find problems? Would they buy the same model again? Each year, the Initial Quality Study contacts more than 80,000 purchasers and lessees. Their responses rank the models and determine which wins the prize.
The size of the Initial ...
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