how to compare variance of two conditions with different means comparing variance of two conditions what is a grand mean how to compare the variance of two different conditions how to compare variance of 2 variables difference between grand mean and variance when two conditions are similar what does grand mean mean mean how to compare variance of two conditions can you calculate variance for a vector when is the variance of the vector greater than the grand mean how to compare variance of condition in terms of mean and mean how to compare variance and means in a vector in statistics how do you compare the variance of two variables average variance of two conditions how to compare the variance of two conditions using different means how to compare variance of 2 different conditions how to compare variance in two conditions variance definition for a vector how to compare variance what the variance of two conditions? compare mean to variance