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 ...

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 ...

The data are provided in the Analyst Sample Library. To access this Analyst sample data set, follow these steps: The test of interest is whether the difference of the means is zero. This is the ...

Sample size and power calculations are available for one-sample and two-sample paired and independent designs where the proposed analysis is hypothesis testing of a mean or means via a t-test. These ...

Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee, and has a degree in accounting and finance from DePaul University. Vikki Velasquez is a researcher and writer who has ...

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 ...