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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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
Transcribed Image Text:The following table is the quarterly seasonal indexes for the sales data of the Trending Trading Company from 2007 to 2010.
Uncentered
Centered
4 Quarter Moving Total
2x4 Quarter Moving Total
Period
2007 Q1
Q2
Q3
Q4
2008 Q1
Q2
Q3
Q4
2009 Q1
Q2
Q3
Q4
2010 Q1
Q2
2 88
Q3
Q4
Y
OE. 94.6860
182
180
232
200
191
196
239
204
195
206
248
213
198
270
221
The adjusted seasonal index for the second quarter is:
OA. 94.9269
OB. 98.6436
OC. 94.6481
D. 96.0933
203
794
803
819
826
830
834
844
853
862
865
862
884
892
1597
1622
1645
1656
1664
1678
1697
1715
1727
1727
1746
1776
4 Quarter Moving Average
199.625
202.750
205.625
207.000
208.000
209.750
212.125
214.375
215.875
215.875
218.250
222.000
Seasonal Ratio
116.2179
98.6436
92.8875
94.6860
114.9038
97.2586
91.9269
96.0933
114.8813
98.6682
90.7216
91.4414

Transcribed Image Text:In an ever-changing economy, the price of fuel is never constant for too long. The following table shows the average prices and quantities sold of petrol and diesel for June 2012 and June 2014 in the Western Cape.
Jun-12
Jun-14
Quantity sold Price Quantity sold
(millions of litres) (Rand) (millions of litres)
1698
9.83
1744
1406
10.80
1489
Fuel
Petrol
Diesel
If the base year is 2012, find the Laspeyres Price Index. Round off to four decimals.
O A. 95.9410
B. 104.0966
Price
(Rands)
8.27
7.67
O C. 77.7839
O D. 77.8842
Expert Solution
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