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

Question

Quizplus · Accepted Answer

A positive correlation means that as one variable increases, the other variable also increases. Therefore, a graph showing this relationship would have a diagonal line going from the bottom left to the top right, indicating that higher levels of self-reported alcohol and drug use are associated with more sick days taken.

In a Study of White-Collar Workers, Velma Found That There