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April 28, 2015

Homework Help: statistics

Posted by jesse on Monday, May 14, 2012 at 8:03am.

a sales manager wants to know whether a special promotional campaign is a success. he had the following data-Retail outlets :1 2 3 4 5 6 ; Sales before campaign : 50 48 31 42 28 53 ; Sales after campaign : 56 55 30 45 29 58. Test at 5% LOS.

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