A forecaster used the regression equation Q=a+b+qD+ c202 + c303 and quarterly sales data for 1998/2016/V (172) 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 DEPENDENT VARIABLE OT OBSERVATIONS VARIABLE INTERCEPT R-SQUARE 72 08798 PARAMETER ESTIMATE 36 25 F-RATIO 122 547 STANDARD ERROR 12.54 0860 P-VALUE ON F 0.0001 T-RATIO P-VALUE 2.87 0.0055 291 00049
A forecaster used the regression equation Q=a+b+qD+ c202 + c303 and quarterly sales data for 1998/2016/V (172) 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 DEPENDENT VARIABLE OT OBSERVATIONS VARIABLE INTERCEPT R-SQUARE 72 08798 PARAMETER ESTIMATE 36 25 F-RATIO 122 547 STANDARD ERROR 12.54 0860 P-VALUE ON F 0.0001 T-RATIO P-VALUE 2.87 0.0055 291 00049
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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