After a Linear Forecasting Model Is Found for a Time

question 76

Multiple Choice

After a linear forecasting model is found for a time series, if the Durbin-Watson statistic is less than dL 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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