Which of the following statements concerning the linear correlation coefficient are true?

Question

1) if the linear correlation coefficient for two variables is zero then there is no relationship between the variables.
2) if the slope of the regression line is negative then the linear correlation coefficient is negative.
3) the value of the linear correlation coefficient always lies between -1 and 1.
4) a linear correlation coefficient of 0.62 suggests a stronger linear relationship than a linear correlation coefficient of -0.82.

A) 3 and 4
B) 1 and 4
C) 2 and 3
D) 1 and 2

Answer 1

A) 3 and 4