Which of the following coefficients of correlation indicates the strongest relationship between two sets of variables?
Correct answer: A. -0.98
- A. -0.98
- B. 0.90
- C. 0.00
- D. 1.20
Explanation
Correlation strength is determined by the absolute value of the coefficient, so -0.98 is stronger than 0.90 because it is closer to either +1 or -1. A coefficient of 1.20 is impossible because valid correlations range from -1 to +1.
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