EBK OPERATIONS MANAGEMENT
14th Edition
ISBN: 9781260718447
Author: Stevenson
Publisher: MCG COURSE
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Textbook Question
Chapter 3, Problem 10DRQ
What factors enter into the choice of a value for the smoothing constant in exponential smoothing?
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What factors enter into the choice of a value for the smoothing constant in exponential smoothing?
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Chapter 3 Solutions
EBK OPERATIONS MANAGEMENT
Ch. 3.15 - Prob. 1.1RQCh. 3.15 - Prob. 1.2RQCh. 3.15 - Prob. 1.3RQCh. 3 - What are the main advantage that quantitative...Ch. 3 - What are some of the consequences of poor...Ch. 3 - List the specific weaknesses of each of these...Ch. 3 - Forecasts are generally wrong a. Why are forecasts...Ch. 3 - What is the purpose of establishing control limits...Ch. 3 - What factors would you consider in deciding...Ch. 3 - Contrast the use of MAD and MSE in evaluating...
Ch. 3 - What advantages as a forecasting tool does...Ch. 3 - How does the number of periods in a moving average...Ch. 3 - What factors enter into the choice of a value for...Ch. 3 - Prob. 11DRQCh. 3 - Explain how using a centered moving average with a...Ch. 3 - Contrast the terms sales and demand.Ch. 3 - Contrast the reactive and proactive approaches to...Ch. 3 - Explain how flexibility in production systems...Ch. 3 - How is forecasting in the context of a supply...Ch. 3 - Which type of forecasting approach, qualitative or...Ch. 3 - Prob. 18DRQCh. 3 - Choose the type of forecasting technique (survey,...Ch. 3 - Explain the trade-off between responsiveness and...Ch. 3 - Who needs to be involved in preparing forecasts?Ch. 3 - How has technology had an impact on forecasting?Ch. 3 - It has been said that forecasting using...Ch. 3 - What capability would an organization have to have...Ch. 3 - When a new business is started, or a patent idea...Ch. 3 - Discuss how you would manage a poor forecast.Ch. 3 - Omar has beard from some of his customers that...Ch. 3 - Give three examples of unethical conduct involving...Ch. 3 - A commercial baker, has recorded sales (in dozens)...Ch. 3 - National Scan, Inc., sells radio frequency...Ch. 3 - A dry cleaner uses exponential smoothing to...Ch. 3 - An electrical contractors records during the last...Ch. 3 - A cosmetics manufacturers marketing department has...Ch. 3 - Prob. 6PCh. 3 - Freight car loadings ova a 12-year period at a...Ch. 3 - Air travel on Mountain Airline for the past 18...Ch. 3 - a. Obtain the linear trend equation for the...Ch. 3 - After plotting demand for four periods, an...Ch. 3 - A manager of a store that sells and installs spas...Ch. 3 - The following equation summarizes the trend...Ch. 3 - Compute seasonal relatives for this data the SA...Ch. 3 - A tourist center is open on weekends (Friday,...Ch. 3 - The manager of a fashionable restaurant open...Ch. 3 - Obtain estimates of daily relatives for the number...Ch. 3 - A pharmacist has been monitoring sales of 2...Ch. 3 - New car sales for a dealer in Cook County,...Ch. 3 - The following table shows a tool and die companys...Ch. 3 - An analyst must decide between two different...Ch. 3 - Two different forecasting techniques (F1 and F2)...Ch. 3 - Two independent methods of forecasting based on...Ch. 3 - Long-Life Insurance has developed a linear model...Ch. 3 - Timely Transport provides local delivery service...Ch. 3 - The manager of a seafood restaurant was asked to...Ch. 3 - The following data were collected during a study...Ch. 3 - Lovely Lawns Inc., intends to use sales of lawn...Ch. 3 - The manager of a travel agency has been using a...Ch. 3 - Refer to the data in problem 22 a. Compute a...Ch. 3 - The classified department of a monthly magazine...Ch. 3 - A textbook publishing company has compiled data on...Ch. 3 - A manager has just receded an valuation from an...Ch. 3 - A manager uses this equation to predict demand for...Ch. 3 - A manager uses a trend equation plus quarterly...Ch. 3 - ML MANUFACTURING ML Manufacturing makes various...Ch. 3 - ML MANUFACTURING ML Manufacturing makes various...Ch. 3 - HIGHLINE FINANCIAL SERVICES, LTD. Highline...
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- How could an exponential smoothing model be made moreresponsive?arrow_forwardSales of Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years (see table below). Using exponential smoothing with a smoothing constant (α) of 0.30 and a starting forecast of 420.00, the following sales forecast has been developed: Year Sales Forecasted Sales 1 460 420.00 2 510 432.00 3 520 455.40 Using smoothing constants of 0.60 and 0.90, develop forecasts for the sales of VW Beetles. Use MAD to determine which of the three smoothing constants (0.30, 0.60, or 0.90) gives the most accurate forecast. The MAD for a forecast developed using exponential smoothing with α=0.30 is nothing sales. (Round your response to two decimal places.)arrow_forwardThe manager of Redline Trucking believes that the demand for tires used on his trucks is closely related to the number of miles driven. He has collected the following data covering the past four months. Month 1 2 3 4 Tires Used 100 150 120 80 Miles Driven 15,000 20,000 17,000 11,000 Write an algebraic equation forecasting the demand for tires. Indicate and explain the independenet and dependant variables and the parameters used in your equation.arrow_forward
- Give typed answer Question: Use an exponential smoothing model with a =.4 to forecast issues remediated for periods 6-10. (Assume a beginning forecast of 320 for period 5). 1. Forecast Period 6 (August) : ? 2. Forecast Period 7 (September) : ? 3. Forecast Period 8 (October) : ? 4. Forecast Period 9 (November) : ? 5. Forecast Period 10 (December) : ?arrow_forwardIn order to increase the responsiveness (volatility) of following forecast models, what can you do? Exponential Smoothing – describe in terms of “alpha value” (smoothing constant): Simple moving average - describe in terms of “averaging periods” (number of data points to use):arrow_forwardThe Fieldale Dairy produces cheese, which it sells to su-permarkets and food processing companies. Because of concerns about cholesterol and fat in cheese, the companyhas seen demand for its products decline during the pastdecade. It is now considering introducing some alternativelow-fat dairy products and wants to determine how much available plant capacity it will have next year. The com-pany has developed an exponential smoothing forecast with 0.40 to forecast cheese. The actual demand andthe forecasts from its model are shown as follows: Assess the accuracy of the forecast model using MAD and cu-mulative error, and determine if the forecast error reflects bias using a tracking signal and 3 MAD control limits. If the ex-ponential smoothing forecast model is biased, determine if a linear trend model would provide a more accurate forecast.arrow_forward
- Explain how do exponential smoothing have benefits over shifting averages as forecasting tool ?arrow_forwardLori Cook has developed the following forecasting model: where y demand for Kool Air conditioners and x= the outside temperature (degrees Fahrenheit) a) When the temperature outside is 70° F, demand forecast = b) When the temperature outside is 80° F, demand forecast = c) When the temperature outside is 90° F, demand forecast = 2 F2 W #3 2000 E $ 4 F4 R % 5 F5 T air conditioners (enter your response as an integer). air conditioners (enter your response as an integer). air conditioners (enter your response as an integer). MacBook Air 6 F6 Y & 7 y = 36.0 +4.30x, F7 U * 8 DII FB ( 9 DD F9 V This question ) 0 0 F10arrow_forwardJane is trying to forecast demand for her store, using Exponential Smoothing, using = 0.75.Fill in the missing cells with correct valuesarrow_forward
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