A scatterplot of log(Y) vs. log(X) reveals a linear pattern with very little scatter. It is probably true that…
A) the correlation between X and Y is near +1.
B) the residuals plot for regression of Y on X shows a curved pattern.
C) the calculator's LnReg function will model the association between X and Y.
D) the correlation between X and Y is near 0.
E) the scatterplot of Y vs X shows a linear association.

Question

Quizplus · Accepted Answer

A linear pattern in a log-log plot suggests a power relationship between X and Y, which would result in a curved pattern in the residuals plot for a linear regression of Y on X.

A Scatterplot of Log(Y) Vs