whether use t test or z test
91753
t-test or z-test: assume normality or s≈σ?
29837
t-test for partially paired and partially unpaired data
113009
Which test should I use for ordinal data?
37710
Test for bimodal distribution
117477
Paired versus unpaired t-test
72321
One-tail versus two-tail z-score
120109
Equivalent to Welch's t-test in GLS framework
129182
Chi-square test or Z-test for comparing two proportions?
106646
Prove F test is equal to T test squared
130446
Develop a statistical test to distinguish two products
135276
T-test equal variances, unequal sample sizes
4677
What is the meaning of p values and t values in statistical tests?
93839
Should I use repeated measures ANOVA or one-way ANOVA?
80568
Using wilcox.test() and t.test() in R yielding different p-values
111576
Formula to generate Critical t-values for t-test (instead of using a look-up array)
32215
Why is the t-test designed for small samples?
131642
How to check for normal distribution using Excel for performing a t-test?