All are true about P-value except:

A. Is the probability of committing Type -I error

B. Is equal to 1-beta

C. Is the chance that the presence of difference is concluded when actually there is none

D. When P- value is less than a, the result is statistically significant

Correct Answer: Is equal to 1-beta

Description: Type I error is usually fixed in advance by the choice of level of significant employed in the test Type I error is more serious than Type II error Power of a test: 1-b -Is probability of rejecting a Null hypothesis when a predetermined clinically significant difference is indeed present -Power can be increased by increasing the no. of subjects in a trial There is no mathematical relationship between a and b.

Category: Social & Preventive Medicine

Share:

← Previous MCQ

Next MCQ →

Get More

Subject Mock Tests

Practice with over 200,000 questions from various medical subjects and improve your knowledge.

Attempt a mock test now

Mock Exam

Take an exam with 100 random questions selected from all subjects to test your knowledge.

Coming Soon

Get More

Subject Mock Tests

Try practicing mock tests with over 200,000 questions from various medical subjects.

Attempt a mock test now

Mock Exam

Attempt an exam of 100 questions randomly chosen from all subjects.

Coming Soon