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....
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....
sd of y how much ?
its not given... i wrote the whole question.. thats why i was confused...
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