what is the standard deviation for the difference in medians estimate for an equation? estimating equation of y_1, y_2, y_3 and y_2 what is the difference in medians estimator? what is the estimating equation for a random sampling what is the difference between a variance and a range what is sample size in math terms difference average what is the value for n what is the difference in medians in an equation which math equation is a nonparametric estimating equation and which is an equation for using the a variable in the brackers? what is the estimating equation for a nonparametric data set? what is the difference in medians in math what is the difference in medians for random sampling what is the difference in medians in statistics when calculating estimating equation what is the difference between a t-test and an average estimating equation which of the following is an example of a nonparametric estimating equation? which mathematicians use a nonparametric sample size to solve an equation? which method of analysis is based on a nonparametric estimating equation? which statement best represents the estimating problem?