Following are two weekly forecasts made by two different methods for the number of galions of gasoline, in thousands, demanded at a local gasoline station. Also shown are actual demandlevels, in thousands of gallonsWeek1234ForecastMethod 10.901,080.971.17ActualDemand0.721.051.070.97Week1234ForecastMethod 20.771.210.92The MAD for Method 1-thousand gallons (round your response to three decimal places)ActualDemand0.721.051.070.97

MAD is the average of absolute error values. Here, we can identify the MAD value for method 1…

Answered: Following are two weekly forecasts made…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Centerville Bikes and Stuff (CBS) sells motorcycles and accessories. The number of helmets sold by CBS per week for the past six weeks follows. Week 1 2 3 Value 17 12 17 (a) mean absolute error MAE = (b) mean squared error MSE = Using the naive method (most recent value) as the forecast for the next week, compute the following measures of forecast accuracy. 4 % 5 6 (d) What is the forecast for week 7? 10 16 15 (c) mean absolute percentage error (Round your answer to two decimal places.) MAPE =
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1. The number of bushels of apples sold at a roadside fruit stand over a 12-day period were as follows: Day Numbar Sold Day Number Sold 25 35 31 8. 32 29 9. 10 38 33 34 37 40 37 32 11 12 If a two-period moving average has been used to forecast sales, what were the daily forecasts starting with the forecast for day 3? If a four-period moving average has been used, what were the forecasts for eacn uay starting with day 5? Plot the original data and each set of forecasts on the same graph. Which forecast has the greater tendency to smooth? Which forecast has the better ability to respond quickly to changes? What does use of the term sales instead of demand imply? a. b. C. 123 4 56
Centerville Bikes and Stuff (CBS) sells motorcycles and accessories. The number of helmets sold by CBS per week for the past six weeks follows. Week 1 2 Value 17 14 15 3 (b) mean squared error MSE = % 4 Using the naive method (most recent value) as the forecast for the next week, compute the following measures of forecast accuracy. (a) mean absolute error MAE = 5 6 (d) What is the forecast for week 7? 12 16 15 (c) mean absolute percentage error (Round your answer to two decimal places.) MAPE =
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2
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ABC Inc. sells patio sets. Monthly sales for a seven-month period were as follows: Month Sales (000) Unites Feb 19 Mar 18 Apr 15 May 20 Jun 18 Jul 22 Aug 20 Forecast September sales volume using a weighted average approach using 0.60 for August, 0.30 for July, and 0.10 for June.
You know that sales are greatly inl uenced by the amount your i rm advertises in the local paper. What forecasting technique would you suggest trying?

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