Suppose we want to test the claim that the majority of adults are in favor of raising the voting age to 21. Is the hypothesis test left-tailed, right-tailed, or two-tailed?
A) Left-tailed
B) Right-tailed
C) Two-tailed

Question

Quizplus · Accepted Answer

The hypothesis test is right-tailed because the claim is that the majority (more than 50%) are in favor, which suggests looking for evidence to the right of the 50% mark in a distribution.

Suppose We Want to Test the Claim That the Majority