As a project for a psychology course, a student correlated weight and intelligence scores for 250 students. The computed correlation coefficient was .00. What did the scatter plot look like?
A) a random distribution of points
B) a line with a positive slope
C) a straight line from the lower left to the upper right-hand corner
D) a straight line from the upper left to the lower right-hand corner

Question

As a project for a psychology course, a student correlated weight and intelligence scores for 250 students. The computed correlation coefficient was .00. What did the scatter plot look like?
A) a random distribution of points 
B) a line with a positive slope
C) a straight line from the lower left to the upper right-hand corner
D) a straight line from the upper left to the lower right-hand corner

Quizplus · Accepted Answer

A correlation coefficient of zero indicates no linear relationship between weight and intelligence scores. Thus, the scatter plot would show a random distribution of points, without any discernible pattern or trend.

As a Project for a Psychology Course, a Student Correlated