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Discussion > Students >

Correlation and regression

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student

[ Scorecard : 96] 		Posted On 03 June 2012 at 12:53 Report Abuse

for two variables x and y, it is known that cov(x.y) = 80, the variance of x is 16 and sum of squares of deviations of y from its mean is 250. the no. of observations for this bivariate data is? thanks in advance....

intermediate(ipc)course
no

[ Scorecard : 1446] 		Posted On 03 June 2012 at 14:29

sd of y how much ?


Akshita
student

[ Scorecard : 96] 		Posted On 03 June 2012 at 15:27

its not given... i wrote the whole question.. thats why i was confused...

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