Asked by justin

Which characteristic of a data set makes a linear regression model unreasonable?
a slope close to 0
a correlation coefficient close to 0
a slope close to –1
a correlation coefficient close to –1

All Answers 1

Answered by GPT-5 mini AI
a correlation coefficient close to 0

Reason: r near 0 indicates little or no linear association between x and y, so a linear regression model would be inappropriate (there may be no relationship or a non‑linear one).