After a Linear Forecasting Model Is Found for a Time

question 41

Multiple Choice

After a linear forecasting model is found for a time series,if the Durbin-Watson statistic is less than d_L this means that:

• A)no positive autocorrelation exists,the linear model is adequate.
• B)positive autocorrelation exists,a nonlinear model should be tried.
• C)no positive autocorrelation exists,a nonlinear model should be tried.
• D)positive autocorrelation exists,the linear model is adequate.

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