I need an answer for B, the deviation.

* 99% Sat 5:11 PM Q Chrome File Edit View History Bookmarks People Tab Window Help Do Homework - Ellie Freeman mathxl.com/Student/Player Homework.aspx?homeworkld=562695447&questionid=1&flushed=false&cld=5965830¢erwin=yes BA 314 Spring 2020 Sustainable Operations Management Section 00 Ellie Freeman : | 06/06/20 5:11 PM Homework: Homework #7 Save Score: 0 of 1 pt 2 of 10 (5 complete) HW Score: 50%, 5 of 10 pts Problem 6 s Question Help Marianne Kramer, the owner of Handy Man Rentals, rents carpet cleaners to contractors and walk-in customers. She is interested in arriving at a forecast of rentals so that she can order the correct quantities of supplies that go with the cleaners. Data for the last 10 weeks are shown here. 2 3 5 6 7 8 9 10 Week Rentals 1 18 4 20 20 21 25 21 25 35 11 11 a. Prepare a forecast for weeks 6 through 10 by using a 4-week moving average. (Enter your responses rounded to two decimal places.) Week Forecast 6 21.5 7 21.75 8 22.75 9 26.5 10 23 What is the forecast for week 11? 20.5 rentals. (Enter vour response rounded to two decimal places.) Enter your answer in the answer box and then click Check Answer. All parts showing Clear All Check Answer W * 99% Sat 5:11 PM Q Chrome File Edit View History Bookmarks People Tab Window Help Do Homework - Ellie Freeman mathxl.com/Student/Player Homework.aspx?homeworkld=562695447&questionid=1&flushed=false&cld=5965830¢erwin=yes BA 314 Spring 2020 Sustainable Operations Management Section 00 Ellie Freeman : | 06/06/20 5:11 PM Homework: Homework #7 Save Score: 0 of 1 pt 2 of 10 (5 complete) HW Score: 50%, 5 of 10 pts Problem 6 : Question Help 1 4 8 9 Week Rentals 2 20 3 21 5 25 6 21 7 25 10 11 18 20 35 11 a. Prepare a forecast for weeks 6 through 10 by using a 4-week moving average. (Enter your responses rounded to two decimal places.) Week Forecast 6 21.5 7 21.75 8 22.75 9 26.5 10 23 What is the forecast for week 11? 20.5 rentals. (Enter your response rounded to two decimal places.) b. The mean absolute deviation as of the end of week 10 is rentals. (Enter your response rounded to two decimal places.) Enter your answer in the answer box and then click Check Answer. All parts showing Clear All Check Answer W