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0 marksStatisticsJoint distributions, covariance and correlationThe correlation coefficientEasyabout 1 min
JNU SIS 2019 Question 9: Joint distributions, covariance and correlation
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Choose the correct option: (A) The covariance between two random variables is bounded by -1 and +1 (B) The correlation coefficient between two random variables is bounded between -∞ and +∞ (C) The correlation coefficient between two variables is bounded by -1 and +1 (D) The covariance between two variables cannot be negative
Joint distributions, covariance and correlation has come up 61 times in 7 exams since 2005.
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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