Recognize the Presence of Autocorrelation in Residuals

question 5

Multiple Choice

Recognize the presence of autocorrelation in residuals.
-Quarterly figures for e-commerce retail sales were obtained from the first quarter of
2001 through the fourth quarter of 2007. A regression model was estimated to describe
The trend in e-commerce retail sales over time. The Durbin Watson statistic was
Calculated as 1.727. Using = .01 we can conclude that
Α

• A) there is evidence of positive autocorrelation.
• B) there is evidence of negative autocorrelation.
• C) there is no evidence of positive or negative autocorrelation.
• D) there is evidence of an outlier.
• E) the test is inconclusive.

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Definitions:

Insecurely Attached

Refers to a type of attachment style characterized by anxiety or avoidance in relationships, often stemming from inconsistent caregiving in early childhood.

Securely Attached

Refers to a type of attachment style where individuals feel confident and trust their relationship partners to be available and responsive to their needs.

Anxiety

A feeling of worry, nervousness, or unease, often about an imminent event or something with an uncertain outcome.

Depression

A common and serious mood disorder causing persistent feelings of sadness and loss of interest, affecting daily functioning.