(b) Show the four-quarter and centered moving average values for this time series. Centered Moving Average Year Quarter 1 2 3 لا 1 2 1 3 2 4 3 4 1 2 3 4 1 2 3 4 1.333 0.6 Time Series Value 4 2 0.8 3 5 1.212 6 Quarter Seasonal Index 3 5 8 7 6 6 9 x Four-Quarter Moving Average 3.5 4 4.25 X 5.25 5.50 6.25 6.50 6.75 (c) Compute seasonal indexes and adjusted seasonal indexes for the four quarters. (Round your answers to three decima Adjusted Seasonal Index 1.098 X 0.906 0.930 x X 1.191 X x x x 3.750 X 4.125 5 5.35 5.875 5.875 6.375 6.25 X X X X X X
(b) Show the four-quarter and centered moving average values for this time series. Centered Moving Average Year Quarter 1 2 3 لا 1 2 1 3 2 4 3 4 1 2 3 4 1 2 3 4 1.333 0.6 Time Series Value 4 2 0.8 3 5 1.212 6 Quarter Seasonal Index 3 5 8 7 6 6 9 x Four-Quarter Moving Average 3.5 4 4.25 X 5.25 5.50 6.25 6.50 6.75 (c) Compute seasonal indexes and adjusted seasonal indexes for the four quarters. (Round your answers to three decima Adjusted Seasonal Index 1.098 X 0.906 0.930 x X 1.191 X x x x 3.750 X 4.125 5 5.35 5.875 5.875 6.375 6.25 X X X X X X
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Transcribed Image Text:Consider the following time series data.
Quarter Year 1 Year 2
1
2
3
4
4
2
3
5
6
3
5
8
Year 3
7
6
6
9
Transcribed Image Text:(b) Show the four-quarter and centered moving average values for this time series.
Year Quarter
Centered Moving
Average
1
N
3
1
2
1
2
3
3
4
4
1
2
3
4
1
2
3
4
1.333
0.6
Time Series
Value
4
0.8
2
1.212
3
5
6
Quarter Seasonal Index
3
5
8
7
6
6
9
x
x
X
Four-Quarter
Moving Average
X
3.5
4
4.25
(c) Compute seasonal indexes and adjusted seasonal indexes for the four quarters. (Round your answers to three decimal places.)
Adjusted
Seasonal
Index
5.25
5.50
6.25
6.50
6.75
1.098
0.906
0.930
X
1.191
X
X
x
X
3.750
X
4.125
5
5.35
5.875
5.875
6.375
6.25
X
XX
X
X
X
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