if the range for linear correlation is the same for all random samples, is it true? rho(x,y)=0 if the distribution of x and y is the same, does correlation between the pairs of random variables increase or decrease? what's the correlation coefficient for random variables is x-y correlated are random variables correlated if they are linear or multivariate what is the correlation coefficient for the cdf formula are variables correlated is x,y correlated how do you find x and y does xy always have linear correlation why does xxxyy have a linear correlation what is the correlation coefficient for x,y what is the p coefficient of xy are random variables correlated can a random variable be correlated? how to find linear correlation in statistics why do variables have linear correlations what type of correlation is xy what is the cdf for xy are random variables correlated if and only if their ranks are correlated?