Question: b. Given forecast errors of -4, 4, 9, and -3, what is the mean absolute deviation? c. Suppose that the last four months of sales

b. Given forecast errors of -4, 4, 9, and -3, what is the mean absolute deviation?

c. Suppose that the last four months of sales were 8, 10, 15, and 9 units, respectively and the last four forecasts were 5, 6, 11, and 12 units, respectively. What is the Mean Absolute Percent Error (MAPE) of these forecasts?

d. A seasonal index for a monthly series is about to be calculated on the basis of three years' accumulation of data. The three previous July values were 130, 170, and 150. The average demand over all months during the three-year time period was 200. What is the approximate seasonal index for July?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related General Management Questions!

9. Given forecast errors of -1, 4, 8, and -3, what is the mean absolute deviation? A. 8 B. 4 C. 16 D. 3 E. 2 10.Which of the following is not a type of qualitative forecasting? A. executive opinions...

Question 13 (1 point) Adding an additional part to a component or product ordinarily reduces reliability by introducing an additional source of failure. True False Question 14 (1 point) Given...

NALU NALU PLEASE SHOW ALL STEPS. SHOW ALL WORK AND EXPLAIN YOUR ANSWER. PLEASE DO EVERY STEP. WRITE WITH BLACK PEN AND PAPER ONLY - NO TYPING. PLEASE WRITE VERY NEATLY - NO CURSIVE AT ALL Given...

Incorrect Question 34 Original Score: 5 / 5 pts Regraded Score: 5 / 5 pts This question has been regraded. Max's Floral Shoppes is a three store retailer of fresh "Hawaiian" inspired floral...

QUESTION 1 (20 Marks) On the basis of the article, undertake a detailed SWOT analysis of Anglo American Platinum as a learning organisation. A minimum of FOUR (4) significant points each for the...

I only posted these questions as one because they are about one problem. And even if I post them separately I would still have to post them together to get an answer. So please answer in all of them....

only question 2.. plz help me.. im offering all my credits. i swear... Faculty of Business, Economics & Accounting Department of Accounting and Finance HELP Bachelor of Business (Hons) Year 3...

you can use excel or excel qm. There is add on 'solver' in excel Sales forecast Forecast next (day) period using 1. 1-Feb 16 16-Feb 8 Naive forecasting model; 2. 2-Feb 10 17-Feb 7 Unweighted 7-period...

Question 1 , Question 2 and Question 5 part (ii) thanks alot Faculty of Business, Economics & Accounting Department of Accounting and Finance HELP Bachelor of Business (Hons) Year 3 INTERNAL SUBJECT...

Use excel qm or excel. Present formulas and solution, graph. Sales forecast Forecast next (day) period using 1-Feb 16 1. 16-Feb 8 Naive forecasting model; 2. 2-Feb 10 17-Feb 7 Unweighted 7-period...

A portfolio comprises 2-year, 5-year, and 10-year zero-coupon bonds with $100 value in each position. Factor movements affecting key rates of the yield curve are as follows. Year Parallel 2 5 10 1 1...

(a) Sketch the graph of a function on [1, 2] that has an absolute maximum but no local maximum. (b) Sketch the graph of a function on [1, 2] that has a local maximum but no absolute maximum.

archeological evidence suggests the Maya thought the would would end on December 2 1 , 2 0 1 2 .

(Cost of preferred stock) The preferred stock of Texas Southern Power Company sells for $41 and pays $3 in dividends. The net price of the security after issuance costs is $36.49. What is the cost of...