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the mean of the number of sales of pools over a 3 months periodis 51, and the standard deviation is 2. the average cost of
the mean of the number of sales of pools over a 3 months periodis 51, and the standard deviation is 2. the average cost of a poolis $7225, and the standard deviation is $180. compare thevariations 2 answers
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
3rd Edition
471507288, 978-0471507284
