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|Table of Contents Statistical Tests Means Two-Sample t-Test Large Sample Size|
|See also: small sample size, distribution calculator, survey on statistical tests|
We define a new variable: the difference,
which is also called the standard error. For large samples (n1,
n2) the distribution of the differences d is approximately normal.
So we can apply the same methods as for the one-sample
t-test for large samples, but now using the new variable d.
Last Update: 2005-Jul-16