In one year, earnings growth of the 500 largest U.S. corporations averaged 9.2%; the stan- dard deviation

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In one year, earnings growth of the 500 largest U.S. corporations averaged 9.2%; the stan- dard deviation was 3.5%.

(a) Find a range in which it can be guaranteed that 84% of these earnings growth figures lie.

(b) Using the rule of thumb, find a range in which it can be estimated that approximately 68% of these earnings growth figures lie.

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Statistics For Business And Economics

ISBN: 9780131815957

4th Edition

Authors: Paul Newbold

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Question Posted: Oct 31, 2024 05:01 AM

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In one year, earnings growth of the 500 largest U.S. corporations averaged 9.2%; the stan- dard deviation

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Statistics For Business And Economics

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