Suppose you are comparing the variation in two groups of UConn students which differ on the binary characteristic biological sex (due to chromosome differences). That is your predictor variable. Your dependent variable is Willingness to Recommend (WOM) the Pantone color Peach Fuzz. You want to see if your results show more or less individual difference between the two groups. Which comparison statistic should you use? the average SD the comparison ratio v, which is approximately 1 if the two groups vary to the same degree the square root of the sum of the two variances, represented by the Greek letter Sigma the expected value of the harmonic average of the two variances multiplied by the kurtosis, represented by the Greek letter Nu