what's the square root of the variance i$ of an array? what type of variance is for a sample if a vector represents a squared value, how do you approximate it which vector variable represents the square root of the variable $b what is square root of $b how to find sql variance of vector variable how to find the variance of scalar mbox what is the square root of $b is sample variance a variable how to find sample variance on a graph if a vector variable represents a variance what is the variance of a vector variable? which statement shows the square root of a vector variable? what is the function of a sample variance what is the variance for a row vector example why is it a good idea to approximate the variance in mbox what is the square root of variance what is a scalar variance equation which of the following can be expressed as a quadratic how to calculate a sample variance of a vector variable