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Obtain the seasonal indexes for Jan '20 to Dec '20 using all 4 years. Select the index you obtained for Apr '20:

Obtain the seasonal indexes for Jan '20 to Dec '20 using all 4 years. Select the index you obtained for Apr '20:

MATLAB: An Introduction with Applications
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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Case IT firm HelpTech offers technical support for corporate clients across the country. The number of billed hours (in th) in the past 4 years are presented below. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 205 212 220 246 255 256 245 239 2020 205 206 206 205 2019 194 197 191 193 193 202 209 214 210 206 199 199 2018 196 192 192 203 204 212 217 216 217 202 197 199 166 175 187 213 225 209 209 216 206 198 2017 186 187 Obtain the seasonal indexes for Jan '20 to Dec '20 using all 4 years. Select the index you obtained for Apr '20: What is the MAD, MSE, and MAPE for your previous 2020 forecast? MAD: 9.4 MSE: 136.9 MAPE: 4.1% MAD: 9.4 MSE: 136.9 MAPE: 3.4% MAD: 4.4 MŞE: 136.9 MAPE: 1.9% MAD: 8.6 MSE: 125.5 MAPE: 3.8% first picture is data second picture is question
Transcribed Image Text:Case IT firm HelpTech offers technical support for corporate clients across the country. The number of billed hours (in th) in the past 4 years are presented below. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 205 212 220 246 255 256 245 239 2020 205 206 206 205 2019 194 197 191 193 193 202 209 214 210 206 199 199 2018 196 192 192 203 204 212 217 216 217 202 197 199 166 175 187 213 225 209 209 216 206 198 2017 186 187 Obtain the seasonal indexes for Jan '20 to Dec '20 using all 4 years. Select the index you obtained for Apr '20: What is the MAD, MSE, and MAPE for your previous 2020 forecast? MAD: 9.4 MSE: 136.9 MAPE: 4.1% MAD: 9.4 MSE: 136.9 MAPE: 3.4% MAD: 4.4 MŞE: 136.9 MAPE: 1.9% MAD: 8.6 MSE: 125.5 MAPE: 3.8% first picture is data second picture is question
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