After estimating a trend model for annual time-series data,you obtain the following residual plot against time.
The problem with your model is that
A)the cyclical component has not been accounted for.
B)the seasonal component has not been accounted for.
C)the trend component has not been accounted for.
D)the irregular component has not been accounted for.

Question

After estimating a trend model for annual time-series data,you obtain the following residual plot against time. 
The problem with your model is that
A)the cyclical component has not been accounted for. 
B)the seasonal component has not been accounted for. 
C)the trend component has not been accounted for. 
D)the irregular component has not been accounted for.

Quizplus · Accepted Answer

The Answer of After estimating a trend model for annual time-series data,you obtain the following residual plot against time. 
The problem with your model is that
A)the cyclical component has not been accounted for. 
B)the seasonal component has not been accounted for. 
C)the trend component has not been accounted for. 
D)the irregular component has not been accounted for.

After Estimating a Trend Model for Annual Time-Series Data,you Obtain