Your Stats teacher tells you your test score was the 3rd quartile for the class. Which is true?
I. You got 75% on the test.
II. You can't really tell what this means without knowing the standard deviation.
III. You can't really tell what this means unless the class distribution is nearly Normal.
A) III only
B) II and III
C) II only
D) I only
E) none of these

Question

Quizplus · Accepted Answer

The 3rd quartile means you scored higher than 75% of the class, not that you got a 75% on the test. It doesn't require knowledge of standard deviation or a normal distribution to interpret quartiles.

Your Stats Teacher Tells You Your Test Score Was the 3rd