OPERATIONS MANAGEMENT
OPERATIONS MANAGEMENT
2nd Edition
ISBN: 9781260238877
Author: CACHON
Publisher: RENT MCG
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Textbook Question
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Chapter 15, Problem 1CQ

When creating a time series–based forecast for the amount of soda to be sold in the cafeteria next week, which data sources can you include in your forecasting process?

  1. a. The opinion of the principal
  2. b. Old demand data
  3. c. Data about upcoming sports events
  4. d. The age of the cafeteria worker
Expert Solution & Answer
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Summary Introduction

To determine: The data source to be included in time series-based forecast for the quantity of soda to be sold in cafeteria for next week.

Answer to Problem 1CQ

b. Old demand data.

Explanation of Solution

Data to be included in time series-based forecasting:

Option B which is old demand data is correct. Time series based forecasting method utilizes the data from the past to forecast the future demand. So, the past demand data must be included in time series forecasting methods.

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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