The test scores for a class of 147 students are computed. What is the location of the test score associated with the third quartile?
A)111
B)37
C)74
D)75%

Question

Quizplus · Accepted Answer

The third quartile (Q3) is located at the 75th percentile of a data set. For a class of 147 students, the location of the third quartile is found by multiplying 147 by 0.75, which equals 110.25. Since you can't have a fraction of a student, you round up to the next whole number, which is 111.

The Test Scores for a Class of 147 Students Are