Assume that a hypothesis test of the given claim will be conducted. Identify the type I or type II error for the test.
-A medical researcher claims that 12% of children suffer from a certain disorder. Identify the type I error for the test.
A) Fail to reject the claim that the percentage of children who suffer from the disorder is equal to 12% when that percentage is actually 12%.
B) Fail to reject the claim that the percentage of children who suffer from the disorder is equal to 12% when that percentage is actually different from 12%.
C) Reject the claim that the percentage of children who suffer from the disorder is equal to 12% when that percentage is actually 12%.
D) Reject the claim that the percentage of children who suffer from the disorder is different from 12% when that percentage really is different from 12%.

Question

Quizplus · Accepted Answer

A type I error occurs when the null hypothesis is rejected when it is actually true. In this case, rejecting the claim that the percentage is 12% when it actually is 12% is a type I error.

Assume That a Hypothesis Test of the Given Claim Will