Final Exam Winter 2022 - Google Chrome X mylab.pearson.com/Student/PlayerTest.aspx?testld=241544758¢erwin=yes Statistics for Analytics II Spring/Summer 2022B Neda Rostami 08/17/22 6:43 PM @ Test: Final Exam Winter 2022 Question 27 of 30 > This test: 30 point(s) possible 103 This question: 1 point(s) possible Submit test Que Enter your search term 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. :Click the icon to view the data table. O Question 11 a) Find the slope estimate, by O Question 12 by =(Round to three decimal places as needed.) b) What does b, mean, in this context? Select the correct choice below and fill in the answer box to complete your choice. X Round to the nearest dollar as needed. Data table Question 13 A. An additional $ of sales is associated with each additional sales person working. O B. On average, S is expected when 0 sales people are working. O Question 14 Number of sales people working Sales (in $1000) c) Find the intercept, bo- 4 Question 15 bo = (Round to three decimal places as needed.) 7 14 9 15 d) What does bo mean in this context? Is it meaningful? Select the correct choice below and fill in the answer box to complete your choice. 11 19 11 21 (Round to the nearest dollar as needed.) 12 21 Question 16 13 22 O A. On average, S|is expected when 0 sales people are working. It is meaningful in this context. 22 19 26 O Question 17 O B. 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. x = 10.6 1 = 18.2 SD(xx) =5.13 SD(y) = 5.16 O C. On average, S is expected when 0 sales people are working. It is not meaningful because it does not make sense in this context. Question 18 O D. An additional $ of sales is associated with each additional sales person working. It is meaningful in this context. e) Write the equation that predicts Sales from Number of Sales People Working. Print Done Question 19 Sales = + . (Number of Sales People Working) (Round to three decimal places as needed.) () If 18 people are working, what Sales do you predict? O Question 20 The predicted sales for 18 people working is dollars. Round to the nearest dollar as needed.) Question 21 9) If sales are actually $25,000, what is the value of the residual? The value of the residual is |dollars. O Question 22 (Round to the nearest dollar as needed.) h) Have the sales been overestimated or underestimated? Question 23 O overestimated underestimated Question 24 Activate Windows Go to Settings to activate Windows. Time Remaining: 02:17:28 Next Type here to search O X 25.C Mostly cloudy ~ 9 () ENG 6:40 PM 99 + 2022-08-17