Suppose that for a random sample of size 10, sample covariance between variables X and Y is 100, and sample variances of X and Y are 25 and 400 respectively. What is the value of sample correlation coefficient between X and Y?
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Joint distributions, covariance and correlation has come up 61 times in 7 exams since 2005.
This question is on The correlation coefficient, part of Joint distributions, covariance and correlation in Statistics.
The standardised measure of linear association and what it can and cannot show.
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Question from the CUET-PG 2023 Shift 2 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.