i. Perfect correlation means that the scatter diagram will appear as a straight line ii. If the coefficient of correlation is 0.80, the coefficient of determination is 0.64.
iii. The coefficient of determination can assume values between 0% and 100%
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. Perfect correlation means that the scatter diagram will appear as a straight line ii. If the coefficient of correlation is 0.80, the coefficient of determination is 0.64. 
iii. The coefficient of determination can assume values between 0% and 100%
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

A perfect correlation results in a straight line on a scatter diagram. The coefficient of determination is the square of the correlation coefficient, so 0.80 squared is 0.64. The coefficient of determination ranges from 0% to 100%.

I Perfect Correlation Means That the Scatter Diagram Will Appear