Assume that a hypothesis test of the given claim will be conducted. Identify the type I or type II error for the test.
-A manufacturer claims that the amounts of acetaminophen in a certain brand of cold tablets have a standard deviation of 3.3 mg. Identify the type II error for the test.
A) Fail to reject the claim that the standard deviation is 3.3 mg when the standard deviation is actually equal to 3.3 mg.
B) Reject the claim that the standard deviation is 3.3 mg when it is actually different from 3.3 mg.
C) Fail to reject the claim that the standard deviation is 3.3 mg when the standard deviation is actually different from 3.3 mg.
D) Reject the claim that the standard deviation is 3.3 mg when it is actually equal to 3.3 mg.

Question

Quizplus · Accepted Answer

A type II error occurs when we fail to reject the null hypothesis when it is actually false. In this case, it means failing to reject the claim that the standard deviation is 3.3 mg when it is actually different from 3.3 mg.

Assume That a Hypothesis Test of the Given Claim Will