You are the manager of a large department store. Over the years, youve found a strong correlation
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You are the manager of a large department store. Over the years, you’ve found a strong correlation between your September sales and the number of employees you’ll need to hire for peak efficiency during the holiday season; the correlation coefficient is 0.950. This year your September sales are fairly strong. Should you start advertising for help based on the best-fit line?
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In this case we find that r 2 0950 2 0903 which means that 90 of the variation in the number ...View the full answer
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Related Book For 
Statistical Reasoning For Everyday Life
ISBN: 9780321904645
4th International Edition
Authors: Jeffrey Bennett, William L. Briggs, Mario F. Triola
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