Which of the following statements concerning the linear correlation coefficient are true? I: If the linear correlation coefficient for two variables is zero, then there is no relationship between the variables.
II: If the slope of the regression line is negative, then the linear correlation coefficient is negative.
III: The value of the linear correlation coefficient always lies between -1 and 1.
IV: A linear correlation coefficient of 0.62 suggests a stronger linear relationship than a linear correlation coefficient of
-0)82.
A) III and IV
B) I and IV
C) II and III
D) I and II

Question

Quizplus · Accepted Answer

Statement II is true because a negative slope indicates a negative correlation. Statement III is true because the linear correlation coefficient always ranges from -1 to 1.

Which of the Following Statements Concerning the Linear Correlation Coefficient