Amelia Used a Random Sample of 100 Accounts Receivable to Estimate

Multiple Choice

Amelia used a random sample of 100 accounts receivable to estimate the relationship between Days (number of days from billing to receipt of payment) and Size (size of balance due in dollars) . Her estimated regression equation was Days = 22 + 0.0047 Size with a correlation coefficient of .300. From this information we can conclude that:

A) 9 percent of the variation in Days is explained by Size.
B) autocorrelation is likely to be a problem.
C) the relationship between Days and Size is significant.
D) larger accounts usually take less time to pay.