I a Correlation Coefficient of -1 or +1 Indicates Perfect

question 95

Multiple Choice

i. A correlation coefficient of -1 or +1 indicates perfect correlation. ii. The strength of the correlation between two variables depends on the sign of the coefficient of correlation.
iii. If the coefficient of correlation is -0.90, the coefficient of determination is -0.81.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) is a correct statement but not (ii) or (iii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

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