Statistics · JEE Preparation Mathematics
The covariance between variables X and Y is 12. If the standard deviations of X and Y are 3 and 8 respectively, what is their coefficient of correlat…
Practice question from Statistics (JEE Preparation Mathematics), with the correct answer and a step-by-step solution.
hard · MCQ · Q-AE0661
The covariance between variables X and Y is 12. If the standard deviations of X and Y are 3 and 8 respectively, what is their coefficient of correlation?
- A.0.25
- B.0.5Correct answer
- C.2
- D.32
Solution
The coefficient of correlation is . Thus, .
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