A sample of students is taken from a college admission test and their GPAs are recorded. The data obtained are listed in Column D. Their GPA's are 3.90, 2.75, 4.00, 2.52, 3.05, 2.89, 3.80, 3.45, 3.62, 2.76, 2.90, 2.40, 3.00
1. Compute the following statistics:
A. The 90th percentile
B. The median
C. The first quartile