DumfriesNewcastleupIsle of ManUnited KingdoreScarboroughCardin09TrentIn the anyLogistix Tutorial assigned, students performed a Greenfield Analysis (GFA).What does GFA mean? What were the main inputs into the model that you eitherentered by hand or imported via the provided spreadsheet (hint: there were two ofthem)? The picture above shows a sample of a GFA experiment output. Explain whatthe output is showing here. What does this mean for a supply chain networkdesigner?The next higher-level analysis, network optimization considers constraints thatwould add complexity to the GFA and possibly create a different configuration. Whatare some of the constraints that go beyond what was considered in GFA?

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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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Hi, need help solving for part B. Thank you.
Sarah has been custom manufacturing sweaters now for 7 years. Her annual sales are shown below. Year Sales 1 178 2 215 3 233 4 301 5 337 6 330 7 361 What are her forecasted sales for year 8 using a 5 year weighted average where w1=.4, w2=.3, w3=.15, w4=.1, w5=.05? What are her forecasted sales for year 8 using exponential smoothing? Assume year 7 forecast was 323. Select your own alpha. Which forecast method is the best for Sarah to use based on MAD? Why?
1 The demand for automobiles at Crescent Auto Dealers for the past 8 weeks is as follows. Auto Week Demand 1 9. 2 11 3 8 4 12 5 10 13 7 7 8. 12 Develop a 3-week moving average forecast for Weeks 4 through 9 a Develop a 3-week weighted average forecast for weeks 4 through 9 with weights of d. What is the Naïve forecast for Week 9?
The Carbondale Hospital is considering the purchase of a new ambulance. The decision will rest partly on the anticipated mileage to be driven next year. The miles driven during the past 5 years are as follows: 1 3,000 2 3,950 3 3,400 Year Mileage a) Using a 2-year moving average, the forecast for year 6 = miles (round your response to the nearest whole number). 4 3,750 5 3,750
part b
10. Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 4 months were as follows: Month Price Per Chip January $1.85 February $1.61 March $1.63 April $1.83 This exercise contains only parts a, b, and c. Part 2 a) Using a 2-month moving average, calculate the forecast for March and April (round your responses to two decimal places). Month Mar Apr Forecast $________ $________
Suppose the weekly demand for a call centre is shown in the table below. Apply the moving average and exponential smoothing methods to forecast the demand for Week 17.Assume the following:Simple moving average method: two-week moving averageSingle exponential smoothing method: assume the 1st week forecast is 333 and α=0.65.Include the MSE, MAD and MAPE in your calculations. Based on your results, recommend which method should be used and give reasons to support your recommendation. Week Demand (Number of calls) 1 300 2 360 3 410 4 289 5 279 6 302 7 376 8 329 9 248 10 322 11 503 12 511 13 399 14 402 15 380 16 469
Need help with the forecast for year 10. Linear trend line
The number of internal disk drives (in millions) made at a plant in Taiwan during the past 5 years follows: F Year 4 Disk Drives 142 164 196 204 216 B a) Using simple linear regression, the forecast for the number of disk drives to be made next year-isk drives (round your response to one decimal place)
Da
Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the past 12 months were as follows: a) Use a 2-month moving average on all the data and plot the averages and the prices.b) Use a 3-month moving average a nd add the 3-month plot to the graph created in part (a).c) Which is better (using the mean absolute deviation): the 2-month average or the 3-month average?d) Compute the forecasts for each month using exponential smoothing, with an initial forecast for January of $1.80. Use a = .I, then a = .3, and finally a = .5. Using MAD, whicha is the best?
A hospital is considering the purchase of a new ambulance. The decision will rest partly on the anticipated distance to be driven next year. The kilometers are driven during the past five years are as follows: year Distance (КМ) 3000 4000 3 3400 3800 3700 A) Forecast the number of kilometers for years 3-6 using an exponential smoothing method (a = 0.1). B) Find the MAD and MSE based on the forecast in part (a). 4.

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