The covariance between two variables X and Y is 4. The standard deviation of X is 10 and the correlation coefficient between X and Y is 0.4. Find…

CA Foundation · Quantitative Aptitude · PYQS · May 2026
The covariance between two variables X and Y is 4. The standard deviation of X is 10 and the correlation coefficient between X and Y is 0.4. Find the standard deviation of Y.
(A) A. 1
(B) B. 2
(C) C. 3
(D) D. 4

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. 1

Topics: Part-C: Statistics

Open in Interactive Practice Hub · Full Practice Hub · Chapter Weightage · More in this subject

Related Questions in this Topic