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In order to estimate the difference between the average hourly wages of employces of two branches of a department store, the following data have
In order to estimate the difference between the average hourly wages of employces of two branches of a department store, the following data have been gathered. Downtown Store 25 S15 $2 North Mall Store 20 $14 Sample size Sample mean Sample standard deviation A 95% interval estimate for the difference between the two population means (use downtown-north mall) will be between $1 and
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Here we have x 15x 14 s 2 s 1n 25 n 20 Since it is not given ...
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Statistics For Business And Economics
Authors: James T. McClave, P. George Benson, Terry T Sincich
12th Edition
032182623X, 978-0134189888, 134189884, 978-0321826237
