Type II error
noun
the error made in the statistical testing of a hypothesis by accepting the null hypothesis when it is actually false.
Jump To:
-
Type II error
-
type II error
type II errornounstatistics the error of not rejecting the null hypothesis when it is false. The probability of avoiding such an error is the power of the test and is a function of the alternative hypothesis
Type II error
Americannoun
type II error
British
noun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Type II error: Frank goes climbing, thinking that his equipment is safe, but this is a mistake, and he painfully realizes that his equipment is not as safe as it should have been.
From Textbooks ● Mar. 27, 2020
A Type II error would be not detecting cancer when it is present.
From Textbooks ● Sep. 19, 2013
Notice that, in this case, the error with the greater consequence is the Type II error.
From Textbooks ● Sep. 19, 2013
The screening test has a 20 percent probability of a Type II error, meaning that 20 percent of the time, it will fail to detect TB when it is in fact present.
From Textbooks ● Sep. 19, 2013
A Type I error occurs when a true hypothesis is rejected, and a Type II error occurs when a false hypothesis is accepted.
From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
