Two-sample t-tests are statistical tests used to compare the means of two populations. Also known as Student’s t-tests, their results are used to determine if there is a significant difference between ...

This contains worked examples of how to carry out a paired and unpaired Student’s t tests from stating a null hypothesis, carrying out the statistic, how to find a critical value, what that means, ...

The t-test and analysis of variance (ANOVA) are two of the most common statistical techniques used in practice. These techniques allow researchers to statistically assess the plausibility that a ...