Bob claims that the variance of the score for the people who took the SAT review course
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Bob claims that the variance of the score for the people who took the SAT review course he offers is 100. Fred believes that Bob’s students have a variance larger than 100. A random sample of 10 of Bob’s students has a variance of 162. Test Fred’s claim at the 10 % level of significance.
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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