National mixer, Inc. sells can openers. Monthly sales for a seven-month period were as follows: Sales Month (000 units) Feb---- -19 March 18 April Мay 15 20 June- 18 July Aug.-------- 22 20 a. Forecast September sales volume using each of the following: 1. A five month-moving average 2. The naïve approach 3. A weighted using .60 for August, .30 for July, and .10 for June b. Which method seems least appropriate? And Why? c. What does use of the term sales rather than demand presume?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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1. National mixer, Inc. sells can openers. Monthly sales fo a seven-month
. period were as follows:
Sales
Month
(000 units)
Feb--
-19
March
-18
April
May
June-
15
20
18
July
Aug.---
22
20
a. Forecast September sales volume using each of the following:
1. A five month-moving average
2. The naïve approach
3. A weighted using .60 for August, .30 for July, and .10 for June.
b. Which method seems least appropriate? And Why?
c. What does use of the term sales rather than demand presume?
Transcribed Image Text:1. National mixer, Inc. sells can openers. Monthly sales fo a seven-month . period were as follows: Sales Month (000 units) Feb-- -19 March -18 April May June- 15 20 18 July Aug.--- 22 20 a. Forecast September sales volume using each of the following: 1. A five month-moving average 2. The naïve approach 3. A weighted using .60 for August, .30 for July, and .10 for June. b. Which method seems least appropriate? And Why? c. What does use of the term sales rather than demand presume?
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