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.

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.

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 ...

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

This article considers the problem of comparing two independent groups in terms of some measure of location. It is well known that with Student's two-independent-sample t test, the actual level of ...

T. Tony Cai, Weidong Liu, Yin Xia, Two-sample test of high dimensional means under dependence, Journal of the Royal Statistical Society. Series B (Statistical Methodology), Vol. 76, No. 2 (MARCH 2014) ...

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, ...