| 释义 |
t-test
\ˈ ̷ ̷ˌ ̷ ̷\ noun
Etymology: t (probably abbreviation of true)
: a statistical test involving means of normal populations with unknown standard deviations and using small samples based on a variable t equal to the difference between the mean of the sample and the mean of the population divided by a quotient formed by dividing the standard deviation of the sample by the square root of the number in the sample |