Suppose that we want to test the null hypothesis that an antipollution device for cars is effective.
Question:
(a) Explain under what conditions we would commit a type I error and under what conditions we would commit a type II error.
(b) Whether an error is a type I error or a type II error depends on how we formulate the null hypothesis. Rephrase the null hypothesis so that the type I error becomes a type II error, and vice versa.
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a H 0 the antipollution device is effective A type ...View the full answer
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Related Book For
John E Freunds Mathematical Statistics With Applications
ISBN: 9780134995373
8th Edition
Authors: Irwin Miller, Marylees Miller
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