Ask Questions, Get Answers

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

The coefficient of correlation $r$ is independent of

$\begin {array} {1 1} (A)\;Origin \: only & \quad (B)\;Scale \: only \\ (C)\;neither\: scale \: nor \: origin & \quad (D)\;both \: origin \: and \: scale \end {array}$

Can you answer this question?

1 Answer

0 votes
As $ r = \large\frac{ cov(x,y)}{\sqrt{var(x).var(y)}}$
which is independent of both change of scale and origin.
Hence (D) is right option
answered Jan 29, 2014 by thanvigandhi_1

Related questions

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