X test
X test
[′eks ‚test] (statistics)
A one-sample test which rejects the hypothesis μ = μH in favor of the alternative μ > μH if X- μH ≥ c where c is an appropriate critical value, X is the arithmetic mean of observations, μH is a given number, and μ is the (unknown) expected value of the random variable X.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.