4. Statistics and Probability

Pearson's Product-moment Correlation Coefficient — Quiz

Test your understanding of pearson's product-moment correlation coefficient with 5 practice questions.

Practice Questions

Question 1

What does Pearson's Product-Moment Correlation Coefficient, $r$, measure?

Question 2

Which value of $r$ shows a perfect positive linear correlation?

Question 3

Which statement about Pearson's correlation coefficient is correct?

Question 4

A scatter graph shows points that lie close to a straight line sloping downward. What is the best description of the correlation?

Question 5

If $r = 0.03$, what is the best interpretation?