The following data set is the GPA's of the students in a statistics class. $$\begin{array}{l}
1.93,1.99,2.00,2.04,2.12,2.34,2.55,2.55,2.75,2.75 \text {, }\
2.80,2.80,2.85,3.02,3.12,3.22,3.31,3.33,3.45,3.69
\end{array}$$ What value is the 25th percentile?
A)3.12
B)2.12
C)1.99
D)None of the above

Question

Quizplus · Accepted Answer

The 25th percentile is the value that 25% of the data is below. In this case, there are 20 data points, so the 25th percentile is the 5th data point. The 5th data point is 2.12, so the 25th percentile is 2.12.