Regression analysis with t = 1 to 40 was used to develop the following equation: $$\hat { y } _ { t } = 1500 + 5 t + 1.5 Q _ { 1 } + 1.8 Q _ { 2 } - 3.0 Q _ { 3 }$$ where: $$Q _ { i }$$ = 1, if quarter i (i = 1, 2, 3)
= 0, otherwise.
Forecast the next four quarters.

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The Answer of Regression analysis with t = 1 to 40 was used to develop the following equation: $$\hat { y } _ { t } = 1500 + 5 t + 1.5 Q _ { 1 } + 1.8 Q _ { 2 } - 3.0 Q _ { 3 }$$ where: $$Q _ { i }$$ = 1, if quarter i (i = 1, 2, 3)
= 0, otherwise.
Forecast the next four quarters.

Regression Analysis with T = 1 to 40 Was Used y^t=1500+5t+1.5Q1+1.8Q2−3.0Q3\hat { y } _ { t } = 1500 + 5 t + 1.5 Q _ { 1 } + 1.8 Q _ { 2 } - 3.0 Q _ { 3 }y^​t​=1500+5t+1.5Q1​+1.8Q2​−3.0Q3​

Regression Analysis with T = 1 to 40 Was Used $\hat { y } _ { t } = 1500 + 5 t + 1.5 Q _ { 1 } + 1.8 Q _ { 2 } - 3.0 Q _ { 3 }$