Student's t-test
Concise Oxford English Dictionary © 2008 Oxford University Press:
Student's t-test
▶noun a test for statistical significance based on a fraction (t) whose numerator is drawn from a normal distribution with a mean of zero, and whose denominator is the root mean square of a number of terms drawn from the same normal distribution.
– origin 1930s: Student, the pseudonym of William Sealy Gosset, English brewery employee, who devised the test.
'Student's t-test' also found in these Oxford entries:
