Find a 95% confidence interval for the mean total cost of all customer orders. Then do this
Question:
Find a 95% confidence interval for the mean total cost of all customer orders. Then do this separately for each of the four regions. Create side-by-side box plots of total cost for the four regions. Does the positive skewness in these box plots invalidate the confidence interval procedure used?
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Data Date Day Time Region Card Type Gender Buy Category Items Ordered Total Cost High Item 6Mar Tue Morning West ElecMart Female High 4 13697 7997 6Mar Tue Morning West Other Female Medium 1 2555 2555 ...View the full answer
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PALASH JHANWAR
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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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