Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 13, Problem 42P
The file P13_42.xlsx contains monthly data on consumer revolving credit (in millions of dollars) through credit unions.
- a. Use these data to
forecast consumer revolving credit through credit unions for the next 12 months. Do it in two ways. First, fit an exponential trend to the series. Second, use Holt’s method with optimized smoothing constants. - b. Which of these two methods appears to provide the best forecasts? Answer by comparing their MAPE values.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
When does it work?
Durban woman, Nombulelo Mkumla, took to social media last week to share how she discovered the rodent.In a lengthy Facebook post, she said she purchased the loaf of bread from a local shop after work on August 27.For the next days, Mkumla proceeded to use slices of bread from the load to make toast."Then, on the morning of August 31, I took the bread out of the fridge to make toast and noticed something disgusting andscary. I took a picture and sent it to my friends, and one of them said, 'Yi mpuku leyo tshomi' [That's a rat friend]“."I was in denial and suggested it might be something else, but the rat scenario made sense - it's possible the rat got into thebread at the factory, and no one noticed," Mkumla said.She went back to the shop she'd bought the bread from and was told to lay a complaint directly with the supplier.She sent an email with a video and photographs of the bread.Mkumla said she was later contacted by a man from Sasko who apologised for the incident.According to…
PepsiCo South Africa says the incident where a woman discovered part of a rodent in her loaf of bread, is anisolated occurrence.Durban woman, Nombulelo Mkumla, took to social media last week to share how she discovered the rodent.In a lengthy Facebook post, she said she purchased the loaf of bread from a local shop after work on August 27.For the next days, Mkumla proceeded to use slices of bread from the load to make toast."Then, on the morning of August 31, I took the bread out of the fridge to make toast and noticed something disgusting andscary. I took a picture and sent it to my friends, and one of them said, 'Yi mpuku leyo tshomi' [That's a rat friend]“."I was in denial and suggested it might be something else, but the rat scenario made sense - it's possible the rat got into thebread at the factory, and no one noticed," Mkumla said.She went back to the shop she'd bought the bread from and was told to lay a complaint directly with the supplier.She sent an email with a video and…
Chapter 13 Solutions
Practical Management Science
Ch. 13.3 - The file P13_01.xlsx contains the monthly number...Ch. 13.3 - The file P13_02.xlsx contains five years of...Ch. 13.3 - The file P13_03.xlsx contains monthly data on...Ch. 13.3 - The file P13_04.xlsx lists the monthly sales for a...Ch. 13.3 - Management of a home appliance store wants to...Ch. 13.3 - Do the sales prices of houses in a given community...Ch. 13.3 - Prob. 7PCh. 13.3 - The management of a technology company is trying...Ch. 13.3 - Prob. 9PCh. 13.3 - Sometimes curvature in a scatterplot can be fit...
Ch. 13.4 - Prob. 12PCh. 13.4 - A trucking company wants to predict the yearly...Ch. 13.4 - An antique collector believes that the price...Ch. 13.4 - Stock market analysts are continually looking for...Ch. 13.4 - Suppose that a regional express delivery service...Ch. 13.4 - The owner of a restaurant in Bloomington, Indiana,...Ch. 13.6 - The file P13_19.xlsx contains the weekly sales of...Ch. 13.6 - The file P13_20.xlsx contains the monthly sales of...Ch. 13.6 - The file P13_21.xlsx contains the weekly sales of...Ch. 13.6 - The file P13_22.xlsx contains total monthly U.S....Ch. 13.7 - You have been assigned to forecast the number of...Ch. 13.7 - Simple exponential smoothing with = 0.3 is being...Ch. 13.7 - The file P13_25.xlsx contains the quarterly...Ch. 13.7 - The file P13_26.xlsx contains the monthly number...Ch. 13.7 - The file P13_27.xlsx contains yearly data on the...Ch. 13.7 - The file P13_28.xlsx contains monthly retail sales...Ch. 13.7 - The file P13_29.xlsx contains monthly time series...Ch. 13.7 - A version of simple exponential smoothing can be...Ch. 13 - Prob. 31PCh. 13 - Prob. 32PCh. 13 - Management of a home appliance store would like to...Ch. 13 - A small computer chip manufacturer wants to...Ch. 13 - The file P13_35.xlsx contains the amount of money...Ch. 13 - Prob. 36PCh. 13 - Prob. 37PCh. 13 - Prob. 39PCh. 13 - The Baker Company wants to develop a budget to...Ch. 13 - Prob. 41PCh. 13 - The file P13_42.xlsx contains monthly data on...Ch. 13 - Prob. 43PCh. 13 - Prob. 44PCh. 13 - Prob. 45PCh. 13 - Prob. 46PCh. 13 - Prob. 49P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- PepsiCo South Africa says the incident where a woman discovered part of a rodent in her loaf of bread, is anisolated occurrence.Durban woman, Nombulelo Mkumla, took to social media last week to share how she discovered the rodent.In a lengthy Facebook post, she said she purchased the loaf of bread from a local shop after work on August 27.For the next days, Mkumla proceeded to use slices of bread from the load to make toast."Then, on the morning of August 31, I took the bread out of the fridge to make toast and noticed something disgusting andscary. I took a picture and sent it to my friends, and one of them said, 'Yi mpuku leyo tshomi' [That's a rat friend]“."I was in denial and suggested it might be something else, but the rat scenario made sense - it's possible the rat got into thebread at the factory, and no one noticed," Mkumla said.She went back to the shop she'd bought the bread from and was told to lay a complaint directly with the supplier.She sent an email with a video and…arrow_forwardThe deaths are included in the discharges; this includes deaths occurring in less than 48 hours and postoperative deaths. Rehabilitation had 362 discharges, 22 deaths, 1<48 hours, 0 Postoperative. what is the gross death rate for the rehabilitation service?arrow_forwardA copy machine is available 24 hours a day. On a typical day, the machine produces 100 jobs. Each job takes about 3 minutes on the machine, 2 minutes of which is processing time and 1 minute is setup time (logging in, defining the job). About 20 percent of the jobs need to be reworked, in which case the setup time and the processing time have to be repeated. The remainder of the time, the equipment is idle. What is the OEE of the equipment?arrow_forward
- How do you think we can keep updating Toyota's ideas as new technologies come out and what customers want keeps changing?arrow_forwardGiven how TPS has helped change things in so many fields, do you think there are parts of it that might be hard to use in areas that aren’t about making things, like in healthcare or services? If so, why do you think that might be?arrow_forwardDo you feel there is anything positive about rework?arrow_forward
- Do you think technology can achieve faster setup times? How would it be implemented in the hospital workforce?arrow_forwardIn your experience or opinion, do you think process changes like organizing workspaces make a bigger difference, or is investing in technology usually the better solution for faster setups?arrow_forwardHave you seen rework done in your business, and what was done to prevent that from occurring again?arrow_forward
- Research a company different than case studies examined and search the internet and find an example of a business that had to rework a process. How was the organization affected to rework a process in order to restore a good flow unit? Did rework hurt a process or improve the organization's operational efficiency? • Note: Include a reference with supportive citations in the discussion reply in your post.arrow_forwardSetup time is very important in affecting a process and the capacity of a process. How do you reduce setup time? Give examples of reducing setup time. Please Provide a referenecearrow_forwardDo you think TPS was successful? If so, how? Are there other companies that have used TPS? If so, give examples. Please provide a referencearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Practical Management ScienceOperations ManagementISBN:9781337406659Author:WINSTON, Wayne L.Publisher:Cengage,
Contemporary MarketingMarketingISBN:9780357033777Author:Louis E. Boone, David L. KurtzPublisher:Cengage Learning
MarketingMarketingISBN:9780357033791Author:Pride, William MPublisher:South Western Educational Publishing
Practical Management Science
Operations Management
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:Cengage,
Contemporary Marketing
Marketing
ISBN:9780357033777
Author:Louis E. Boone, David L. Kurtz
Publisher:Cengage Learning
Marketing
Marketing
ISBN:9780357033791
Author:Pride, William M
Publisher:South Western Educational Publishing
Single Exponential Smoothing & Weighted Moving Average Time Series Forecasting; Author: Matt Macarty;https://www.youtube.com/watch?v=IjETktmL4Kg;License: Standard YouTube License, CC-BY
Introduction to Forecasting - with Examples; Author: Dr. Bharatendra Rai;https://www.youtube.com/watch?v=98K7AG32qv8;License: Standard Youtube License