A forecaster used the regression equation $Q _ { t } = a + b t + c _ { 1 } D _ { 1 } + c _ { 2 } D _ { 2 } + c _ { 3 } D _ { 3 }$ and quarterly sales data for 2004I-2021IV (t = 1,...,64)for an appliance manufacturer to obtain the results shown below.Q is quarterly sales,and $D _ { 1 } , D _ { 2 }$ and $D _ { 3 }$ are dummy variables for quarters I,II,and III. In any given year,quarterly sales tend to vary as follows: A)Q_I Q_II Q_III Q_IV B)Q_I Q_II Q_IV Q_III C)Q_II Q_III Q_IV Q_I D)Q_III Q_II Q_I Q_IV E)Q_III Q_IV Q_II Q_I

Question

A forecaster used the regression equation $Q _ { t } = a + b t + c _ { 1 } D _ { 1 } + c _ { 2 } D _ { 2 } + c _ { 3 } D _ { 3 }$ and quarterly sales data for 2004I-2021IV (t = 1,...,64)for an appliance manufacturer to obtain the results shown below.Q is quarterly sales,and $D _ { 1 } , D _ { 2 }$ and $D _ { 3 }$ are dummy variables for quarters I,II,and III. In any given year,quarterly sales tend to vary as follows: A)Q_I > Q_II > Q_III > Q_IV B)Q_I > Q_II > Q_IV > Q_III C)Q_II > Q_III > Q_IV > Q_I D)Q_III > Q_II > Q_I > Q_IV E)Q_III > Q_IV > Q_II > Q_I

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The Answer of A forecaster used the regression equation $Q _ { t } = a + b t + c _ { 1 } D _ { 1 } + c _ { 2 } D _ { 2 } + c _ { 3 } D _ { 3 }$ and quarterly sales data for 2004I-2021IV (t = 1,...,64)for an appliance manufacturer to obtain the results shown below.Q is quarterly sales,and $D _ { 1 } , D _ { 2 }$ and $D _ { 3 }$ are dummy variables for quarters I,II,and III. In any given year,quarterly sales tend to vary as follows: A)Q_I > Q_II > Q_III > Q_IV B)Q_I > Q_II > Q_IV > Q_III C)Q_II > Q_III > Q_IV > Q_I D)Q_III > Q_II > Q_I > Q_IV E)Q_III > Q_IV > Q_II > Q_I

A Forecaster Used the Regression Equation Qt=a+bt+c1D1+c2D2+c3D3Q _ { t } = a + b t + c _ { 1 } D _ { 1 } + c _ { 2 } D _ { 2 } + c _ { 3 } D _ { 3 }Qt​=a+bt+c1​D1​+c2​D2​+c3​D3​

A Forecaster Used the Regression Equation $Q _ { t } = a + b t + c _ { 1 } D _ { 1 } + c _ { 2 } D _ { 2 } + c _ { 3 } D _ { 3 }$