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 α = .01 we can conclude that there is ________________________ .
A)evidence of positive autocorrelation
B)evidence of negative autocorrelation
C)no evidence of positive or negative autocorrelation
D)evidence of an outlier
E)an inconclusive test

Question

Quizplus · Accepted Answer

The Durbin-Watson statistic values range from 0 to 4, where a value around 2 suggests no autocorrelation, values approaching 0 indicate positive autocorrelation, and values approaching 4 suggest negative autocorrelation. A value of 1.727 is close enough to 2 to suggest that there is no evidence of positive or negative autocorrelation in the data.

Quarterly Figures for E-Commerce Retail Sales Were Obtained from the First