Another Example of the Two-Sample T-Test The organization took a small sample of 20 parts and found that the mean score is 84 grams and the standard deviation is 11.

Calculator for a two-sample pooled-variance t-test: Two-Sample t-Test Calculator (Pooled-Variance) This web calculator conducts a pooled-variance t-test for a difference between two populations' means ...

Learn how two-tailed tests determine statistical significance in hypothesis testing by evaluating if a sample differs from a population mean. Discover real-world applications.

A t-test is an analysis of two population means through the use of statistical examination; a t-test with two samples is commonly used with small sample sizes, testing the difference between the ...

This short course provides an overview of statistical analyses useful for comparing the means for one or more samples. The statistical training will include the discussion of the one sample t-test, ...

Robustly comparing pairs of independent or related samples requires different approaches to the t-test.

The power curves of three two-sample tests are compared in small samples from the exponential and four forms of the Weibull distribution with and without censoring. The tests considered are: F ratio, ...

Douglas A. Penfield, Choosing a Two-Sample Location Test, The Journal of Experimental Education, Vol. 62, No. 4 (Summer, 1994), pp. 343-360 ...

In this article, we will explore some of the theory behind the one sample t test, assumptions of the test, interpretation and a worked example.