I If There Is Absolutely No Relationship Between Two Variables

question 121

Multiple Choice

i. If there is absolutely no relationship between two variables, what will Pearson's r equal?
ii. If the value of r is -0.96, what does this indicate about the dependent variable as the independent
Variable increases?
iii. What is the value of the correlation coefficient if there is perfect correlation?

• A) one (1); decreases; zero (0).
• B) one (1); increases; zero (0).
• C) zero (0); decreases; +/-1.0.
• D) zero (0); increases; +/-1.0.
• E) +/-1.0; nothing; +/-1.0.