t-test

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t-test,

n an inferential statistic used to test for differences between two means (groups) only. This statistic is used for small samples (e.g.,
N < 30). Also called
t-ratio, stu-dent's t.

t-test

a test of statistical significance which uses a formula from which a t value is derived. The value is then compared with a set of t-distribution tables to see whether the null hypothesis should be rejected or not.

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