section 1.3.5.3 This article from NIST.gov This article from NIST.gov 1.3.5.3. Two-Sample <i>t</i>-Test for Equal Means section 1.3.5.3 t-test Two-Sample t-Test for Equal Means section 1.3.5.3 section 1.3.5.3 section 1.3.5.3 two sample t-test Two-Sample t-Test for Equal Means 2-sample t-test This article from NIST.gov Two-Sample t-Test for Equal Means section 1.3.5.3 Two-Sample t-Test for Equal Means section 1.3.5.3 This article from NIST.gov