help me pls

The result of 15 Grade 10 students in a 50-item Math Long test are listed below: s ..., N 5 "hi \"NI 3 mom. - -E- _i_ Mr. Lauro decided to give a bonus point to the top 25% of students, a remedial instruction to the bottom 25% of students and a chance for extra credit to the middle 50% students. 1. Compute the median, lower quartile and upper quartile. 2. How many students will get bonus point that belong to the top 25%? And who are those students? 3. Who are those students having a chance for extra credit? 4. How many students need to attend the remediation? Who are those students