Student's t-statistic

Student's t-statistic

[′stüd·əns ′tē stə‚tis·tik] (statistics) A one-sample test statistic computed by T = √ n (X̄- μH )/ S, where X̄ is the mean of a collection of n observations, S is the square root of the mean square deviation, and μH is the hypothesized mean.