Essay
A major car manufacturer wants to test a new catalytic converter to determine whether it meets new air pollution standards.The mean emission of all converters of this type must be less than 20 parts per million of carbon.Ten (10)converters are manufactured for testing purposes and their emission levels are measured,with a mean of 17.17 and a standard deviation of 2.98.Test the hypotheses at α = .01.
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t = -3.003;-3.003 < -2.821 (.01,df = 9);...View Answer
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