Paper 1 · Research Aptitude
UGC NET December 2021 June 2022 (23.09.2022) Shift-II
Given below are two statements. Statement I: If a hypothesis is accepted when it should be rejected, then a type I error is made. Statement II: If a hypothesis is rejected when it should be accepted, then a type II error is made. In the light of the above statements, choose the most appropriate answer from the options given below.
- Statement I: Accepting a hypothesis that should be rejected is called a type I error.
- Statement II: Rejecting a hypothesis that should be accepted is called a type II error.
ABoth Statement I and Statement II are correct
BBoth Statement I and Statement II are incorrect ✓ Correct
CStatement I is correct but Statement II is incorrect
DStatement I is incorrect but Statement II is correct
Correct answer: (B) Both Statement I and Statement II are incorrect — The answer is that both statements are incorrect.
Explanation
★The answer is that both statements are incorrect.
★A type I error is rejecting a null hypothesis that is actually true, not accepting one that should be rejected.
★So the description in Statement I is reversed, making it incorrect.
★A type II error is failing to reject a null hypothesis that is actually false, not simply rejecting a true one to be accepted.
★So the description in Statement II is also stated wrongly, making it incorrect.
★Thus both statements describe the errors incorrectly.
★So the answer is that both statements are incorrect.
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