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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Definitions:

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Adverse responses that can occur during or after a blood transfusion, including allergic reactions, fever, and more serious conditions.

Malaria

A mosquito-borne infectious disease affecting humans and animals, caused by parasitic protozoans belonging to the Plasmodium genus.

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A medical test looking for hidden (occult) blood in the stool, often used to screen for colon cancer or other digestive system issues.

Occult

Pertaining to supernatural phenomena or hidden knowledge that is beyond the range of ordinary understanding.