a. Plot the monthly data b. Forecast September sales using: i. A linear trend equation ii. A five-month moving average iii. Exponential smoothing, a = 0.2, assume March forecast of
a. Plot the monthly data b. Forecast September sales using: i. A linear trend equation ii. A five-month moving average iii. Exponential smoothing, a = 0.2, assume March forecast of
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Transcribed Image Text:National Mixer, Inc., sells can openers. Monthly sales
for a seven-month period were as follows:
Month
Sales (000 units)
Feb
19
Mar
18
Apr
May
15
20
Jun
18
July
Aug.
22
20

Transcribed Image Text:a. Plot the monthly data
b. Forecast September sales using:
i. A linear trend equation
ii. A five-month moving average
iii. Exponential smoothing, a = 0.2, assume March forecast of
19 (000).
iv. The naïve approach.
V. A weighted moving average using 0.6 for Aug., 0.3 for July,
and 0.1 for June.
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