Here are data from a small bookstore. a) Find the predicted Sales on a day with 12

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Here are data from a small bookstore.

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a) Find the predicted Sales on a day with 12 employees working.

b) Find a 95% confidence interval for the mean Sales on days that have 12 employees working.

c) Find the 95% prediction interval for Sales on a day with 12 employees working.

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Business Statistics

ISBN: 9780321716095

2nd Edition

Authors: Norean D. Sharpe, Paul F. Velleman, David Bock, Norean Radke Sharpe

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Question Posted: Sep 19, 2024 02:28 PM

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Here are data from a small bookstore. a) Find the predicted Sales on a day with 12

Question:

Number of Salespeople Working Sales (in $1000's) 2 10 3 11 7 13 9 14 10 18 10 20 12 15 22 20 22 16 22 20 X = 10.4 SD(x) = 5.64 26 y = 17.6 SD(y) = 5.34

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Business Statistics

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