Question: A local store developed a multiplicative time-series model to forecast its revenues in future quarters, using quarterly data on its revenues during the 5-year period
A local store developed a multiplicative time-series model to forecast its revenues in future quarters, using quarterly data on its revenues during the 5-year period from 2008 to 2012. The following is the resulting regression equation:
log10= 6.102 + 0.012X- 0.129Q1- 0.054Q2+ 0.098Q3
whereis the estimated number of contracts in a quarter
Xis the coded quarterly value withX= 0 in the first quarter of 2008
Q1is a dummy variable equal to 1 in the first quarter of a year and 0 otherwise
Q2is a dummy variable equal to 1 in the second quarter of a year and 0 otherwise
Q3is a dummy variable equal to 1 in the third quarter of a year and 0 otherwise
To obtain a forecast for the third quarter of 2013 using the model, which of the following sets of values should be used in the regression equation?
Group of answer choices
X= 22,Q1= 0,Q2= 0,Q3= 0
X= 23,Q1= 0,Q2= 0,Q3= 0
X= 22,Q1= 0,Q2= 0,Q3= 1
X= 23,Q1= 0,Q2= 0,Q3= 1
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