can you show step by step how to solve it. A forecaster used the regression equation Qt= a + bt+c1 D₁ + c₂D₂ + c3 D3 and quarterly sales data for 2004/-2021/V(t = 1, ..., 64) for an appliance manufacturer to obtain the results shown below. Qis quarterly sales, and D₁, D2 and D3 are dummy variables for quarters I, II, and III. QT R-SQUARE DEPENDENT VARIABLE: OBSERVATIONS: 64 0.8768 VARIABLE INTERCEPT T D1 D2 D3 PARAMETER ESTIMATE 30.0 1.5 10.0 25.0 40.0 F-RATIO 107.982 STANDARD ERROR 12.80 0.70 3.00 7.20 15.80 What is the estimated intercept of the trend line in the fourth quarter? P- VALUE ON F 0.0001 T- RATIO 2.34 2.14 3.33 3.47 2.53 P- VALUE 0.0224 0.0362 0.0015 0.0010 0.0140
can you show step by step how to solve it. A forecaster used the regression equation Qt= a + bt+c1 D₁ + c₂D₂ + c3 D3 and quarterly sales data for 2004/-2021/V(t = 1, ..., 64) for an appliance manufacturer to obtain the results shown below. Qis quarterly sales, and D₁, D2 and D3 are dummy variables for quarters I, II, and III. QT R-SQUARE DEPENDENT VARIABLE: OBSERVATIONS: 64 0.8768 VARIABLE INTERCEPT T D1 D2 D3 PARAMETER ESTIMATE 30.0 1.5 10.0 25.0 40.0 F-RATIO 107.982 STANDARD ERROR 12.80 0.70 3.00 7.20 15.80 What is the estimated intercept of the trend line in the fourth quarter? P- VALUE ON F 0.0001 T- RATIO 2.34 2.14 3.33 3.47 2.53 P- VALUE 0.0224 0.0362 0.0015 0.0010 0.0140
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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