dse 2011 q55-59

[sakshi]

plz help.. i want hint

[yushi.]

hey sakshi refer to this
http://discussion-forum.2150183.n2.nabble.com/2011-Macro-questions-td7582932.html

[sakshi]

thanks yushi .. plz tell me one small thing
the correlation btw 2 variables ,x &  y ,is 0.5 .if we used a reggession line to predict y using x, wt % of the variation in y explained?
a 50%
b 25%
c 2.25%
d 0%
i think its 25 % m i right plz tell

[Taanya]

u r right sakshi! we find r^2 that is coefficient of determination to find the variation in y explained by x!