Consider the following quarterly demand level for electricity (in 1000 megawatts) in Mankweng from 2018 to 2022: 2018 2019 2020 2021 2022 21 35 49 60 10 42 54 55 64 05 July-Sept 60 91 95 99 Oct-Dec 12 14 74 80 Jan-March Apr - June 1. Find the least squares trend line for electricity demand using Σx = 0 method. 2. Find the seasonal index for each quarter. 3. Find adjusted seasonal index.
Consider the following quarterly demand level for electricity (in 1000 megawatts) in Mankweng from 2018 to 2022: 2018 2019 2020 2021 2022 21 35 49 60 10 42 54 55 64 05 July-Sept 60 91 95 99 Oct-Dec 12 14 74 80 Jan-March Apr - June 1. Find the least squares trend line for electricity demand using Σx = 0 method. 2. Find the seasonal index for each quarter. 3. Find adjusted seasonal index.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Transcribed Image Text:Consider the following quarterly demand level for electricity (in 1000 megawatts) in
Mankweng from 2018 to 2022:
Jan - March
Apr - June
July - Sept
Oct - Dec
2018 2019
2020 2021 2022
21 35
49
60 10
42
54
55
64
05
60
91
95 99
12 14 74 80
1. Find the least squares trend line for electricity demand using Σ x = 0 method.
2. Find the seasonal index for each quarter.
3. Find adjusted seasonal index.
4. Find the De-seasonalized values for Quarter 1, 2,3 and 4 for the year 2023.
5. Estimate the demand for electricity for Quarter 1, 2, 3 and 4 for the year 2024.
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