Assume that a hypothesis test to reject the given claim will be conducted. Identify the type I or type II error for the test.
-A medical researcher claims that 10% of children suffer from a certain disorder. Identify the type I error for the test.
A) Reject the claim that the percentage of children who suffer from the disorder is equal to 10% when that percentage is actually 10%.
B) Fail to reject the claim that the percentage of children who suffer from the disorder is equal to 10% when that percentage is actually different from 10%.
C) Reject the claim that the percentage of children who suffer from the disorder is different from 10% when that percentage really is different from 10%.
D) Fail to reject the claim that the percentage of children who suffer from the disorder is equal to 10% when that percentage is actually 10%.

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 10% of children suffer from the disorder when it is actually true is a type I error.

Assume That a Hypothesis Test to Reject the Given Claim