Motivation: Frequently, comparing samples from two populations is of interest. For example, is the average height in the US different from that in China? If they are different, how different? Goal: In ...

Read on to learn more about what a t-test is, the different formulas used, and when to apply each type to compare means and ...

A study was conducted on eight tests for differences in means under a variety of simulated experimental situations. Estimates were made of the power of the tests and measures of the extent to which ...

Hypothesis testing for means with small samples is an essential statistical technique, especially in fields where collecting large datasets is impractical. This video provides a comprehensive guide to ...