Examine the confidence intervals in parts (b) and (c). How would you describe these stocks at the

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Examine the confidence intervals in parts

(b) and (c). How would you describe these stocks at the time the sample was taken?

(e) Check Requirements In previous problems, we assumed the x distribution was normal or approximately normal. Do we need to make such an assumption in this problem? Why or why not?

Hint: See the central limit theorem in Section 6.5.

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Understandable Statistics Concepts And Methods

ISBN: 9780357719176

13th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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