Using the actual sales (in units) over the past 15 months, a demand planner at a leading e-commerce firm has forecasted the demand for a popular consumer product as shown below. Forecast 1 and Forecast 2 represent the outputs of two comparative forecasting methods currently used by the sales and marketing, and operations departments of the firm. Month October 22 November 22 December 22 January 23 February 23 March 23 April 23 May 23 June 23 July 23 August 23 September 23 October 23 November 23 December 23 Actual sales (units) 120 000 138 000 172 000 120 000 114 000 98 000 118 000 a35 280 units © 19 330 units 23 600 units 112 000 132 000 138 000 108 000 126 000 144 000 162 000 189 000 QUESTION 24 Determine the mean absolute deviation of Forecast 1. A 234 290 units a.16 721 units. 19 524 units 22 670 units QUESTION 25 Determine the mean absolute deviation of Forecast 2. A 21 638 units Forecast 1 (units) 133 280 130 620 127 300 121 440 120 750 119 000 121 600 124 900 121 500 122 400 126 720 133 780 Forecast 2 (units) 143 330 143 330 135 330 110 670 110 000 109 330 120 670 127 330 126 000 124 000 126 000 144 000
Using the actual sales (in units) over the past 15 months, a demand planner at a leading e-commerce firm has forecasted the demand for a popular consumer product as shown below. Forecast 1 and Forecast 2 represent the outputs of two comparative forecasting methods currently used by the sales and marketing, and operations departments of the firm. Month October 22 November 22 December 22 January 23 February 23 March 23 April 23 May 23 June 23 July 23 August 23 September 23 October 23 November 23 December 23 Actual sales (units) 120 000 138 000 172 000 120 000 114 000 98 000 118 000 a35 280 units © 19 330 units 23 600 units 112 000 132 000 138 000 108 000 126 000 144 000 162 000 189 000 QUESTION 24 Determine the mean absolute deviation of Forecast 1. A 234 290 units a.16 721 units. 19 524 units 22 670 units QUESTION 25 Determine the mean absolute deviation of Forecast 2. A 21 638 units Forecast 1 (units) 133 280 130 620 127 300 121 440 120 750 119 000 121 600 124 900 121 500 122 400 126 720 133 780 Forecast 2 (units) 143 330 143 330 135 330 110 670 110 000 109 330 120 670 127 330 126 000 124 000 126 000 144 000
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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