why is a symmetric distribution sufficient for the sample mean and variance to be uncorrelated? why does the difference between symmetric mean and variance be strong why is the sample mean uncorrelated a symmetric distribution is sufficient to demonstrate that the sample is uncorrelated. which of the following would suggest that a symmetric distribution would be uncorrelated with the sample mean and variance? why is the sample mean uncorrelated only in a symmetric distribution? are variance and mean uncorrelated why is the variance of a symmetric distribution uncorrelated why is it necessary for a symmetric distribution in a sample to be uncorrelated? why are variance and mean uncorrelated why is the average variance of symmetric distribution highly skewed why is the sample mean uncorrelated why is a symmetric distribution uncorrelated? why do symmetric distributions have strong correlation why is symmetric distribution uncorrelated is variance and sample mean uncorrelated is symmetric distribution strongly correlated why is symmetric distribution uncorrelated why is a symmetric distribution uncorrelated why are variance and sample mean uncorrelated