i. A coefficient of correlation r close to 0 (say, 0.08) shows that the relationship between two variables is quite weak.
ii. Coefficients of -0.91 and +0.91 have equal strength.
Iii) If the coefficient of correlation is 0.68, the coefficient of determination is 0.4624.
A) (i), (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) All statements are false

Question

i. A coefficient of correlation r close to 0 (say, 0.08) shows that the relationship between two variables is quite weak. 
ii. Coefficients of -0.91 and +0.91 have equal strength.
Iii) If the coefficient of correlation is 0.68, the coefficient of determination is 0.4624.
A) (i), (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) All statements are false

Quizplus · Accepted Answer

i. A correlation of 0.08 indicates a weak relationship. ii. Correlation coefficients of -0.91 and +0.91 have equal strength but opposite directions. iii. The coefficient of determination is the square of the correlation coefficient: 0.68^2 = 0.4624.

I a Coefficient of Correlation R Close to 0 (Say