I Correlation Analysis Is a Group of Statistical Techniques Used

Multiple Choice

i. Correlation analysis is a group of statistical techniques used to measure the strength of the relationship (correlation) between two variables. ii. A correlation coefficient of -1 or +1 indicates perfect correlation.
iii. The strength of the correlation between two variables depends on the sign of the coefficient of correlation.

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) (i) , (ii) , and (iii) are all false statements.