Question: B D E F H 1 j L M. N P Q R S T U 1 2 2017 2018 2019 Seasonalized Forecast Absolute Error

B D E F H 1 j L M. N P Q R S T U 1 2 2017 2018

B D E F H 1 j L M. N P Q R S T U 1 2 2017 2018 2019 Seasonalized Forecast Absolute Error 3 Period 1 2 Quarter I Quarter II Quarter III Quarter IV mino OF Demand Demand Forecast 226 218 310 333 153 122 212 231 4 Ave Deseaso Forecast (w/o Demand Seasonal Seasonal nalized Seasonal Factor Factor Demand Factor) 226 310 153 212 218 333 122 231 5 min 009 2017 Quarter I 2017 Quarter II 2017 Quarter III 2017 Quarter IV 2018 Quarter I 2018 Quarter II 2018 Quarter III 2018 Quarter IV 2019 Quarter I 2019 Quarter II 2019 Quarter III 2019 Quarter IV 7 10 11 > Graph existing data using line graph format (Hint: set up data similar to data in Problem 1 tab) 12 > Using Linear regression, find forecast for 2019 (show slope, intercept, and linear regression calculations) 13 > Find Seasonal index for each quarter, and then determine the average seasonal index per quarter 14 > Using seasonal indices, calculate seasonal adjusted forecast for 2017-2019 15 > Find MAD for 2017-2019 10 11 12 16 = MAD 17 = slope 18 = intercept = linear regression (Y=mX+b) 19 20

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