What value of the correlation coefficient implies that there is a perfect positive linear relationship between the two variables of a linear regression model?
a) -1
b) 0
c) 0.5
d) 1
e) 8
Answer: d) 1
What value of the correlation coefficient implies that there is a perfect positive linear relationship between the two variables of a linear regression model?
a) -1
b) 0
c) 0.5
d) 1
e) 8
Answer: d) 1