A U.S. dime weighs 2.268 grams when minted. A random sample of 15 circulated dimes showed a
Question:
(a) Using α = .05, is the mean weight of all circulated dimes lower than the mint weight? State your hypotheses and decision rule.
(b) Why might circulated dimes weigh less than the mint specification?
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a so reject the null hypothesis and conclude that the true me...View the full answer
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Related Book For
Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
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