Spreadsheet Modeling & Decision Analysis: A Practical Introduction to Business Analytics (MindTap Course List)
8th Edition
ISBN: 9781305947412
Author: Cliff Ragsdale
Publisher: Cengage Learning
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Chapter 1, Problem 18QP
Consider the spreadsheet model shown in Figure 1.2. Is this model descriptive, predictive, or prescriptive in nature, or does it not fall into any of these categories?
Figure 1.2
Example of a simple spreadsheet model
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Determine the type of business analytics for the following scenarios.
A. Imagine you are a meteorologist. You have to foretell the weather for the next two weeks by analysing the data from the satellites. Here, you have to apply advanced statistical, information software, or operations research methods to identify predictive variables and build predictive models. Discuss in detail which type of business analytics will be suitable for this scenario.
Sales for the past 12 months at computer success are given here:
January 3,000Â Â Â July 6,300
february 3,400Â Â Â August 7,200
March 3,700Â Â Â Â Â Sept 6,400
April 4,100Â Â Â Â Â Â Oct 4,600
May 4,700Â Â Â Â Â Â Nov 4,200
June 5,700Â Â Â Â Â Â December 3,900
a. Use a 3-month moving average to forecast the sales for the months May through December
b. Use a 4-month moving average to forecast the sales for the months May through December
C. Compare the performance of the two methods by using the mean absolute deviation as the performance criterion. Which method would you recommend?
d. Compare the performance of the two methods by using the mean absolute percent error as the performance criterion. Which method would you recommend?
e. Compare the performance of the two methods by using the mean squared error as the performance criterion. Which method would you recommend?
As a small business owner, Emil understands the importance of sales forecasting to entrepreneurial success. Which of the following is correct regarding a sales forecast? Organizations rely on correlation analyses as their exclusive sales forecasting method. It is an estimate of the amount of a product that an organization expects to sell during a certain period of time. The accuracy of a sales forecast is not important. It is based on an unspecified level of marketing effort. 4
Chapter 1 Solutions
Spreadsheet Modeling & Decision Analysis: A Practical Introduction to Business Analytics (MindTap Course List)
Ch. 1 - Prob. 1QPCh. 1 - Prob. 2QPCh. 1 - Prob. 3QPCh. 1 - Prob. 4QPCh. 1 - What is the relationship between business...Ch. 1 - What kinds of spreadsheet applications would not...Ch. 1 - Prob. 7QPCh. 1 - Prob. 8QPCh. 1 - What is a dependent variable?Ch. 1 - What is an independent variable?
Ch. 1 - Can a model have more than one dependent variable?Ch. 1 - Can a decision problem have more than one...Ch. 1 - Prob. 13QPCh. 1 - Prob. 14QPCh. 1 - In what ways are descriptive models different from...Ch. 1 - Prob. 16QPCh. 1 - Prob. 17QPCh. 1 - Consider the spreadsheet model shown in Figure...Ch. 1 - Prob. 19QPCh. 1 - Prob. 20QPCh. 1 - Prob. 21QPCh. 1 - Prob. 22QPCh. 1 - Prob. 23QPCh. 1 - Prob. 24QPCh. 1 - Prob. 25QPCh. 1 - Prob. 26QPCh. 1 - Prob. 27QP
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