Community Medicine MCQ 007

on with 0 comments



A research study was designed to have a power of 70 percent to detect a 50 percent difference in the two study group means. How can this statement be interpreted?

A) The investigator had a 70 percent chance of detecting a difference of 50 percent or more if it was actually present.
Null HypothesisB) The investigator had a 70 percent chance of rejecting the null hypothesis if it is actually true.
C) The investigator had a 70 percent chance of retaining the null hypothesis if it is actually false.
D) The probability of rejecting a false null hypothesis is 30 percent.

Answer

Category: PSM MCQs

POST COMMENT

0 comments:

Post a Comment

Is there something you wish to add? Have something to say? Feel free to leave a comment.