Find a 95% confidence interval for the mean amount of all Rebcos bills. Do the same for
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Find a 95% confidence interval for the mean amount of all Rebco’s bills. Do the same for each customer size separately.
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Data Customer Customer Size Days Amount 1 Large 12 1352 2 Small 21 274 3 Small 20 267 4 Small 21 229 5 Large 14 1870 6 Small 29 246 7 Large 14 840 8 Medium 19 743 9 Large 18 1245 10 Small 18 195 11 Me...View the full answer
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Related Book For 
Business Analytics Data Analysis and Decision Making
ISBN: 978-1133629603
5th edition
Authors: S. Christian Albright, Wayne L. Winston
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