Velma found a positive correlation between self-reported alcohol and drug use and sick days taken in a study of white-collar workers.A graph of her results would show
A) a diagonal line from the top left to the bottom right.
B) a diagonal line from the bottom left to the top right.
C) a horizontal line.
D) a U-shaped curve.

Question

Quizplus · Accepted Answer

A positive correlation means that as one variable increases, the other variable also increases. In this case, as self-reported alcohol and drug use increases, sick days taken also increase. This relationship would be best represented by a diagonal line from the bottom left to the top right on a scatter plot.

Velma Found a Positive Correlation Between Self-Reported Alcohol and Drug