Bookstore sales once more Here are the residuals for a regression of Sales on Number of
Chapter 7, Problem 19(choose chapter or problem)
Bookstore sales once more Here are the residuals for a regression of Sales on Number of Sales People Working for the bookstore Exercise 17: Number of Sales People Working Residual 2 0.07 3 0.16 7 -1.49 9 -2.32 10 0.77 10 2.77 12 0.94 15 0.20 16 -0.72 20 -0.37 Capacity Residual 0.080 3.02 0.120 3.91 0.250 5.35 0.320 18.075 1.0 -23.55 2.0 -21.475 4.0 14.666 a) What are the units of the residuals? b) Which residual contributes the most to the sum that was minimized according to the Least Squares Criterion to find this regression? c) Which residual contributes least to that sum?
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