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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Excel Formulas would be great
12 The fictitious Haskins & Collins Ice Cream Store needs
an accurate estimate of demand. The owner of the store
|believes that the demand for ice cream has a quarterly
|seasonal pattern. To analyze the pattern, the owner
gathered the following quarterly ice cream sales data in
gallons for the past 4 years:
Year
Quarter
1
2
3
4
January - March
370
380
470
530
April - June
550
500
620
700
July - September
October - December
770
820
980
990
420
440
510
530
Given this information:
a
Compute the quarterly seasonal indices for ice cream
|sales using the simple average method.
b
Compute the quarterly seasonal indices for ice cream
sales using the centered moving average method.
Transcribed Image Text:12 The fictitious Haskins & Collins Ice Cream Store needs an accurate estimate of demand. The owner of the store |believes that the demand for ice cream has a quarterly |seasonal pattern. To analyze the pattern, the owner gathered the following quarterly ice cream sales data in gallons for the past 4 years: Year Quarter 1 2 3 4 January - March 370 380 470 530 April - June 550 500 620 700 July - September October - December 770 820 980 990 420 440 510 530 Given this information: a Compute the quarterly seasonal indices for ice cream |sales using the simple average method. b Compute the quarterly seasonal indices for ice cream sales using the centered moving average method.
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