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If for two variables x and y, the covariance, variance of x and variance of y are 40,16,256 respectively, the value of the correlation coefficient is?
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If for two variables x and y, the covariance, variance of x and varian...
Ans.

Method to Solve :

We know that
r � sdx � sdy = cov( x,y )

Hence,
r � 40 � 16 = 256
r � 20 � 8 = 256
 160r= 256
 160/256=r
 0.625 = r
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If for two variables x and y, the covariance, variance of x and variance of y are 40,16,256 respectively, the value of the correlation coefficient is?
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If for two variables x and y, the covariance, variance of x and variance of y are 40,16,256 respectively, the value of the correlation coefficient is? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about If for two variables x and y, the covariance, variance of x and variance of y are 40,16,256 respectively, the value of the correlation coefficient is? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If for two variables x and y, the covariance, variance of x and variance of y are 40,16,256 respectively, the value of the correlation coefficient is?.
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