OPERATIONS MANAGEMENT IN THE SUPPLY CHAIN: DECISIONS & CASES (Mcgraw-hill Series Operations and Decision Sciences)
7th Edition
ISBN: 9780077835439
Author: Roger G Schroeder, M. Johnny Rungtusanatham, Susan Meyer Goldstein
Publisher: McGraw-Hill Education
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Chapter 18, Problem 6P
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To decide: On the warehouse location based on the center of gravity method.
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Which of the measure(s) of central location can be used for both numerical and categorical variables? Choose from: mean, median, mode, and trimmed mean.
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Which two measures of central location are equal when data follow a perfectly normal distribution?
Chapter 18 Solutions
OPERATIONS MANAGEMENT IN THE SUPPLY CHAIN: DECISIONS & CASES (Mcgraw-hill Series Operations and Decision Sciences)
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- Tasty Bread Company has monthly demand for one of its products as follows: March= 520; April=490; May=550; June=580; July=600; August=420. Compute the three-month moving average for July.arrow_forward3. Figure 1 Daily Subway and Bus Use in Five Major Cities 0.75 0.5 0.25 Subway OBus London Tokyo Singapore Hong Kong Figure 2 Subway vs. Bus Ridership, New York City OBus Subway 1970 1980 1990 2000 2010 Information in figure I suggests that public transportation users in London Information in Figure I supports the author's point that buses are growing in popularity as a means of urban transport by indicating that A) take subways and buses at similar rates. B) are unusually reliant on buses. C) take at least one subway trip daily. D) take subways at about the same rate as people A) many people around the world take at least one bus trip every day. B) bus ridership surpasses subway ridership in some major cities. C) people in Tokyo make far more trips by bus daily than they do trips by subway. D) the number of bus trips taken by people in major cities has substantially increased. in New York. 2 Which of the following statements about bus use in New York City is best supported by…arrow_forwardTravel Passengers 1 405 2 410 3 420 4 415 5 412 6 420 7 424 8 433 9 438 10 440 11 446 12 451 13 455 14 464 15 466 16 474 17 476 18 482 a) Using a weighted moving average with three periods, determine the sales for day 15. Use 3, 2, and 1 for the weights of the most recent, second most recent, and third most recent periods, respectively b) Find the MAD, MSE and MAPE b) Use exponential smoothing with a smoothing constant of 0.50 to forecast the sales (Assume that last period’s forecast for period 1 is equal to actual to begin the procedure (Ft1=Yt1). Which method do you think is best? Is this an improvement over the weighted average- use MAD onlyarrow_forward
- What are the advantages of exponential smoothing over the moving average and the weighted moving average?arrow_forwardFit a linear trend curve by the least-squares method to the following data and determine trend values and then estimate levels of production in 2010 and 2025. Year 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Production (M Tons) 12 16 20 24 26 30 34 40 44 48 55arrow_forwardExplain the weighted moving average method?arrow_forward
- Define Intensive distribution.arrow_forwardExplain the importance of warehouses to Garden-Williams Logistics. Explain which type of warehouse Garden-Williams Logistics should make use of. Justify your answer. Identify criteria you believe is important regarding the location of a warehouse and relate it to Garden-Williams Logistics. Determine what type of warehouse activities will be conducted in your chose type of warehouse. Provide an argument indicating whether you will include a warehouse management system.arrow_forwardWhat is the fundamental difference between exponential smoothing and a weighted moving average?arrow_forward
- Ancient history of logistics distribution regarding probability?arrow_forwardOn Thursdays, Traxis Consolidated delivers liquid oxygento its industrial customers in northern Michigan. The tablebelow provides the driving time in minutes among allcustomers and the Traxis liquid oxygen depot location. a. Currently, Traxis travels from the depot (A) to (F) to (G) to(D) to (E) to (H) to (B) to (C), then returns to (A). What isthe total driving time using this route?b. Using the depot (A) as the beginning location, create aroute using the NN heuristic. What is the total driving timeusing this route?c. Use the NN heuristic to calculate seven routes, each start-ing from one of Traxis’s customer’s locations. What areyour conclusions?arrow_forwardWeighted factor methodUse the table to calculate the most ideal X coordinate for supermarket Point Quantity offered/requested Transportation costs Coordinate X Coordinate Y Supermarket 1 3,000 0.04 4 8 Supermarket 2 3,500 0.04 7 2 Supermarket 3 2,000 0.07 3 5 Supermarket 4 1,500 0.07 7 4 Supermarket 5 1,200 0.07 6 8arrow_forward
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