A forecaster used the regression equation at=a+bt+c1D1+c2D2+c3D3 and quarterly sales data for 2004L-2021IV (t=1,,64) for an appliance manufacturer to obtain the results shown below. O is quarterly sales, and D1. D2 and D3 are dummy variables for quarters 6,11 , and m What is the estimated intercept of the trend line in the fourth quarter? What is the estimated intercept of the trend line in the fourth quarter? Multiple Cholce 0 40 55 70 None of the choices are correct. In any given year, quarterly sales tend to vary as follows: Multiple Choice Q1>Q>QI>QIV Q1>Q>Qiv>QI Q>Qi>QN>Qi QII>QI>Q1>QIV QII>QIV>Q>Qi A forecaster used the regression equation at=a+bt+c1D1+c2D2+c3D3 and quarterly sales data for 2004L-2021IV (t=1,,64) for an appliance manufacturer to obtain the results shown below. O is quarterly sales, and D1. D2 and D3 are dummy variables for quarters 6,11 , and m What is the estimated intercept of the trend line in the fourth quarter? What is the estimated intercept of the trend line in the fourth quarter? Multiple Cholce 0 40 55 70 None of the choices are correct. In any given year, quarterly sales tend to vary as follows: Multiple Choice Q1>Q>QI>QIV Q1>Q>Qiv>QI Q>Qi>QN>Qi QII>QI>Q1>QIV QII>QIV>Q>Qi