Question

Here are the data from the small bookstore we saw in chapter 15, Exercise,
The regression line is:
Sales = 8.10 + 0.913 number of sales people working and we can assume that the assumptions and conditions for regression are met. Calculations with technology find that se = 1.477.
a) Find the predicted sales on a day with 500 employees working.
b) Is this prediction likely to be useful? Explain.


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  • CreatedMay 15, 2015
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