The residuals for a regression of Sales on Number of Sales People Working for a small bookstore are shown in the accompanying table. Complete parts a through c below. a Click the icon to View the data table. c:) a) What are the units of the residuals? (:3 dollars -:_:.:- number of sales people working -:___*- thousands of dollars -:j_::- The residuals do not have units. b] Which residual contributes the most to the sum that was minimized according to the Least Squares Criterion to nd this regression? 1.93 (Type an integer or a decimal.) c) Which residual contributes least to the sum that was minimized according to the Least Squares Criterion to nd this regression? (Type an integer or a decimal.)