What statistical test do I use for differences in proportions?
129182
Chi-square test or Z-test for comparing two proportions?
154074
Non-parametric test equivalent to mixed ANOVA?
103793
Conflicting Normality Tests
105217
What test can I use to compare slopes from two or more regression models?
144128
Disagreement between the p-value and the confidence interval in a binomial test
30596
Test whether the study population come from a normal or log-normal distribution based on mean, median, and number of subjects
129313
Testing for significant differences in skewness
117226
How to calculate a confidence interval for estimating a proportion when the population is very small?
22365
What statistical test allows comparison of the 3rd quartiles between groups?
137976
Test the significant differences between the coefficients obtained by logistic regression on two data sets.
104756
Categorical ordinal data: which test is better?
84435
Testing whether two regression coefficients are significantly different (in R ideally)
9047
Test for significance with data representing the whole population?
136419
Variance of the distribution of difference scores
42510
Always use Welch-t test (unequal variances t-test) instead of Student-t or Mann-Whitney test?
34133
Mann-Whitney-Wilcoxon Test on highly unbalanced groups.
19247
How should one interpret the comparison of means from different sample sizes?