Samurai Inc is a popular travel option for travelers between Japan and mainland Asia especially South Korea. However, due to the South Korea’s Discord with its neighbour and the following uncertainty regarding peace negotiation in the Korean Peninsula, the number of ground travel continues to fluctuate. Table 1 shows the number of car travel (y) per quarter between Japan and South Korea between 2013 and 2019.Table AttachedQuestion:Calculate the Adjusted Seasonal Index for Q1, Q2, Q3, and Q4. Table 1. Number of Car Travel per QuarterYearQuarter tyСМА: У201311664924201322672678675226 675451.63674910 680028.252013332013446687156769922018424682681672746.882019125695917 678078.1320192262019327Notes: CMA = Centered Moving AverageThe data is further processed to estimate the seasonality index. Table 2 below shows the Ratio toMoving Average for the observation period.Table 2. Ratio to Moving Average per QuarterYearQ1Q2Q3Q4201320140.99881.00041.00060.998920151.00171.00150.99691.004920161.00040.99921.00411.003720170.99951.00781.00520.994120180.98660.99391.00510.99402019...............

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Answered: Table 1. Number of Car Travel per…

MATLAB: An Introduction with Applications

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Samurai Inc is a popular travel option for travelers between Japan and mainland Asia especially South Korea. However, due to the South Korea’s Discord with its neighbour and the following uncertainty regarding peace negotiation in the Korean Peninsula, the number of ground travel continues to fluctuate. Table 1 shows the number of car travel (y) per quarter between Japan and South Korea between 2013 and 2019.

Table Attached

Question:

Calculate the Adjusted Seasonal Index for Q1, Q2, Q3, and Q4.

Table 1. Number of Car Travel per Quarter
Year
Quarter t
y
СМА: У
2013
1
1
664924
2013
2
2
672678
675226 675451.63
674910 680028.25
2013
3
3
2013
4
4
668715
676992
2018
4
24
682681
672746.88
2019
1
25
695917 678078.13
2019
2
26
2019
3
27
Notes: CMA = Centered Moving Average
The data is further processed to estimate the seasonality index. Table 2 below shows the Ratio to
Moving Average for the observation period.
Table 2. Ratio to Moving Average per Quarter
Year
Q1
Q2
Q3
Q4
2013
2014
0.9988
1.0004
1.0006
0.9989
2015
1.0017
1.0015
0.9969
1.0049
2016
1.0004
0.9992
1.0041
1.0037
2017
0.9995
1.0078
1.0052
0.9941
2018
0.9866
0.9939
1.0051
0.9940
2019
............
...

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