If x and y are Independent to each other the coefficient of correlation is _____________?
Correct answer: D. 0
- A. -1
- B. +1
- C. .6
- D. 0
Explanation
Independence implies zero covariance, and therefore the correlation coefficient is zero when the variances are defined and nonzero. Values such as +1 or -1 indicate perfect linear relationships, not independence.
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Practise Correlation and Regression
23 free Correlation and Regression MCQs from Statistics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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