what is the correlation of the mean and variance in the data set what is the correlation between two sample means of correlated data? which function measures the correlation between two random data sets? what is the rho_j function how to find variance of a variable from data sets what is the correlation between a set of data how do you find the correlation how to find the correlation of a sample mean of the same random variable what is the relationship between a mean and a mean of a set of random data when can you find correlation in linear equations what is the correlation between two sample means how to calculate correlating mean and correlation how to find the correlation between a random data set what is the correlation between each data set how to find the correlation between two random data sets what is the variance in a mean how to check correlation in ts test how to find variance of two data sets by autocorrelation? how does x correlated to bar mean mean if the correlation between an average of two samples is autocorrelated