a parameter in several probability distributions utilized in hypothesis testing which has a value different from zero whenever a sample is attained from a populace whose parameters have values different from those ascertained by the null hypothesis being tested. This parameter is imperative in figuring out the power of a statistical process.

NONCENTRALITY PARAMETER: "The non-centrality parameter appears to be nonexistent."
Cite this page: Nugent, Pam M.S., "NONCENTRALITY PARAMETER," in, April 7, 2013, (accessed November 23, 2017).