Section 4.6 Exercise 13-T Question Help Data from a small bookstore are shown in the accompanying table. The manager wants to predict Sales from Number of Sales People Working. Complete parts a through h below EEB Click the icon to view the data table a) Find the slope estimate, b bRound to two decimal places as needed.) Data Table Number of sales Sales (in $1000) people working 10 12 13 15 18 20 20 4 10 10 12 14 17 19 x 10.4 SD(x) 5.27 26 y 17.8 SD(y) 5.14 Enter your answer in the answer box and then click C a) Find the slope estimate, b 1-0.877 (Round to three decimal places as needed.) b) What does b1 mean, in this context? Select the correct choice below and fill in the answer box to complete your choice Round to the nearest dollar as needed.) A. An additional $ 877 of sales is associated with each additional sales person working. .x B. On average, S is expected when 0 sales people are working. c) Find the intercept, bp o9.164 (Round to three decimal places as needed) d) What does b mean in this context? is it meaningful? Select the correct choice below and fill in the answer box to complete your chcice. Round to the nearest dollar as needed.) A. An additional $ of sales is associated with each additional sales person working. It is not meaningful because it does not make sense in this context. An additional $of sales is associated with each additional sales person working. It is meaningful in this context. C On average, $ 9,164 is expected when 0 sales people are working. It is not meaningful bo ause it does not make sense in this context D. On average, S is expected when 0 sales people are working. lt is meaningful in this context e) Write the equation that predicts Sales from Number of Sales People Working Sales-9.164 0877 (Number of Sales People Working) Round to three decimal places as needed.) if 17 people are working, what Sales do you predict? The predicted sales for 17 people working is 24,078 dollars. Round to the nearest dollar as needed.) 9) If sales are actually $23,000, what is the value of the residual? The value of the residual is-1,078 dollars. Round to the nearest dollar as needed.) h) Have the sales been overestimated or underestimated? X underestimated overestimated