- t-test is used to determine, for example, if the means of two data sets differ significantly from each other.
- Our T test calculator is the most sophisticated and comprehensive T-test calculator online.
- Our Student's t-test calculator can do one sample t tests, two sample paired t-tests and two sample unpaired t-tests.
- Results page will give you t-Score, standard error of difference, degrees of freedom, two-tailed p-value, mean difference and confidence range. You can choose the confidence interval.