Claus received a raw score of 86. Given that the test had a mean of 88, and a standard deviation of 4. What is Claus's approximate t -score?
-What can we conclude about Claus's stanine score?
A) It is negative.
B) It is approximately zero.
C) It is approximately 5.
D) It is approximately 8.

Question

Quizplus · Accepted Answer

Claus's t-score is approximately 5 because his raw score is 2 points below the mean, and the standard deviation is 4. A t-score of 5 means that Claus performed better than about 99% of the other test takers. His stanine score would be 9, which is the highest possible score.

Claus Received a Raw Score of 86