Let x, y, z be such that and correlation between x and y is 0.36. Further, the mean of x is 25 and the standard deviation of x is 15. Then correlation between y and z is:
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1 mark, −0.33StatisticsJoint distributions, covariance and correlationThe correlation coefficientModerateabout 1 min
UoH 2013 Question 85: Joint distributions, covariance and correlation
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Let x, y, z be such that z = 2x + 5 and correlation between x and y is 0.36. Further, the mean of x is 25 and the standard deviation of x is 15. Then correlation between y and z is: (A) 0.18 (B) 0.36 (C) 0.72 (D) 0.80
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What this question tests
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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