Question: need help please Use a multiple regression model with dummy (indicator) variables to model the trend and seasonal effects. Let variable Period 1 refer to

need help please Use a multiple regression model need help please

Use a multiple regression model with dummy (indicator) variables to model the trend and seasonal effects. Let variable Period 1 refer to the observation in quarter 1 of 2017 and Period = 2 to refer to the observation in quarter 2 of 2017 and so on. Furthermore, let dummy variable Q1 = 1 if Quarter 1, 0 otherwise; dummy variable Q2 = 1 if Quarter 2,0 otherwise; and dummy Q3 = 3 if Quarter 3,0 otherwise. You must submit your spreadsheets showing your regression analysis. YEAR QUARTER DEMAND 2017 1 906 2017 2 970 2017 3 712 2017 4 743 2018 1 1208 2018 2 981 2018 3 721 4 864 2018 2019 2019 1 1137 2 1126 Type clearly the estimated regression equation on the given spaces below

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