Let's assume we find in a study that the Pearson's correlation coefficient between number of years of education and cigarette smoking is -0.73.This means that as education level increases
A)smoking tends to increase.
B)smoking tends to decrease.
C)smoking changes 73%.
D)education and smoking are unrelated.
E)an educated person smokes 73 cigarettes a day.

Question

Quizplus · Accepted Answer

A negative correlation coefficient indicates an inverse relationship between the two variables. In this case, as the number of years of education increases, cigarette smoking tends to decrease. A correlation coefficient of -0.73 indicates a fairly strong negative correlation.

Let's Assume We Find in a Study That the Pearson's