Your subjects complete a pretest to assess their cognitive skills and have a mean score of 62% on the pretest. Then they complete your intervention and a post-test with the following scores: 82%, 79%, 47%, 65%, 81%, 57%, 57%, 52% and 76%. What was the mean on the posttest?
A) 67%
B) 65%
C) 66%
D) Unable to determine with the given information

Question

Quizplus · Accepted Answer

The Answer of Your subjects complete a pretest to assess their cognitive skills and have a mean score of 62% on the pretest. Then they complete your intervention and a post-test with the following scores: 82%, 79%, 47%, 65%, 81%, 57%, 57%, 52% and 76%. What was the mean on the posttest?
A) 67%
B) 65%
C) 66%
D) Unable to determine with the given information

Your Subjects Complete a Pretest to Assess Their Cognitive Skills