Statistics...Correlation

Posted by Shefali on Apr 13, 2014; 7:12pm
URL: http://discussion-forum.276.s1.nabble.com/Statistics-Correlation-tp7586810.html

A box contains 100 balls. Some of them are white and the remaining are
red. Let X and Y denote the number of white and red balls respectively. The
correlation between X and Y is
A 0.
B 1.
C −1.
D some real number between −1/2 and 1/2
.