logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class11  >>  Statistics
0 votes

The value of covariance of two variable $x$ and $y$ is $- \large\frac{148}{3}$ variance of $x$ is $ \large\frac{272}{3}$ and variance of $y$ is $ \large\frac{131}{3}$. Then coefficient of correlation is

$\begin {array} {1 1} (A)\;0.48 & \quad (B)\;0.78 \\ (C)\;0.87 & \quad (D)\;None\: of \: these \end {array}$

Can you answer this question?
 
 

1 Answer

0 votes
Since covariance is negative, correlation coefficient has to be negative.
Ans : (D)
answered Jan 31, 2014 by thanvigandhi_1
 

Related questions

Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...