Here are the data from the small bookstore we saw in chapter 15, Exercise, The regression line
Question:
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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Related Book For
Business Statistics
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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