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Re: JNU 2013 SSS DISCUSSION

Posted by bhavya jain on Feb 11, 2014; 6:47am
URL: http://discussion-forum.276.s1.nabble.com/JNU-2013-SSS-DISCUSSION-tp7584716p7584720.html

no i think Ron is correct it shud be 48 only, since nothing is said abt independence.
So, it shud be V(w)=4var(x)+ 9var(y)+2cov(x,y)=8+36+4=48