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

Multiple Choice

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