how to tell if student test is statistically significant why do wilcoxon or t tests have significant results is t test the same as wilcoxon test does wilcoxon or t test show difference is a t-test statistically significant how many sentences before and after treatment why are t-tests used in qualitative research what is the difference between the t test and the wilcoxon test t test vs wilcoxon test what is the difference between t-test and wilcoxon t test versus wilcoxon what is a test of normality which is more appropriate to use the t-test or wilcoxon test is wilcoxon statistically significant how to determine if normality of distribution is positive? how can the t-test determine the normality of the sample? what is the difference between wilcoxon test and t test which t tests are used to check the normality of distribution does a chi square show significance wilcoxon vs t-test results