calculate Mean absolute deviation for 3 months moving average3 months weightedmovingexponential smoothing with constant 0,2 and the other with 0.5 12301/12/202201/01/202301/02/202301/03/202301/04/20236 01/05/2023701/06/202301/07/202301/08/202301/09/202301/10/202301/11/202301/12/2023458observationdate9012Total Vehicle Sales,Millions of Units,Monthly13.8816.4615.4415.4016.5915.6316.1916.2515.8116.1815.9115.86b.) 3 month C.)d.)a.) 3 month weightedmovi exponential exponentialmovingaverage15.2615.7715.8115.8716.1316.0216.0816.0815.9715.99ng average (3- smoothing smoothing 3MONTHS2-1)with constant withMAD15.5215.5916.0015.9116.0716.1316.0216.0715.9915.931413.9814.4714.6614.8115.1715.2615.4515.6115.6515.7615.7915.801413.9415.2015.3215.3615.9715.8015.9916.1215.9716.0815.9915.93

The question is about forecasting.Given :

Answered: calculate Mean absolute deviation for…

calculate Mean absolute deviation for 3 months moving average 3 months weightedmoving exponential smoothing with constant 0,2 and the other with 0.5

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter2: Working With Real Numbers

Section2.3: Rules For Addition

Problem 8P

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Question

calculate Mean absolute deviation for

3 months moving average

3 months weightedmoving

exponential smoothing with constant 0,2 and the other with 0.5

1
2
3
01/12/2022
01/01/2023
01/02/2023
01/03/2023
01/04/2023
6 01/05/2023
7
01/06/2023
01/07/2023
01/08/2023
01/09/2023
01/10/2023
01/11/2023
01/12/2023
4
5
8
observation
date
9012
Total Vehicle Sales,
Millions of Units,
Monthly
13.88
16.46
15.44
15.40
16.59
15.63
16.19
16.25
15.81
16.18
15.91
15.86
b.) 3 month C.)
d.)
a.) 3 month weightedmovi exponential exponential
moving
average
15.26
15.77
15.81
15.87
16.13
16.02
16.08
16.08
15.97
15.99
ng average (3- smoothing smoothing 3MONTHS
2-1)
with constant with
MAD
15.52
15.59
16.00
15.91
16.07
16.13
16.02
16.07
15.99
15.93
14
13.98
14.47
14.66
14.81
15.17
15.26
15.45
15.61
15.65
15.76
15.79
15.80
14
13.94
15.20
15.32
15.36
15.97
15.80
15.99
16.12
15.97
16.08
15.99
15.93

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Step 1: Determine the given variables.

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Step 2: Find MAD for 3 months moving average.

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Step 3: Find MAD for 3 months weighted moving average.

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Step 4: Find MAD for exponential smoothing with constant 0.2

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Step 5: Find MAD for exponential smoothing with constant 0.5

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