what type of statistic is used for a mean? wilcoxon signed test for means and sds what kind of tests do i use for means and sd what type of tests are used on r what kind statistic is used for mean what type of statistic test would you use which r function would be used to show the standard deviation of a mean? which type of r statistic is useful what type of statistic to use for a mean what is the test for t what type of test do you use for standard deviations for an r statistic what type of statistic is used to measure the standard deviation of a mean? which is a statistical test to find that standard deviation is less than a mean or standard deviation? what type of statistic tests for the following can you use wilcoxon signed rank what is the statistic of d and b? what type of test do you use for the following what is the r statistic for a measure of a variable a> which rank test should be used for means which statistical test is used to show the standard deviation