吾明呀,講比我聽啦
P25<---e個系乜野
比d example我
and quartile 又系咩
咩系Q1,Q2....
E啲系咩
吾該TELL ME
THX
更新1:
點解 P50 = 50th percentile = median中位數 (Q2) P75 = 75th percentile = third quartile (Q3) 上面果兩個q咩 系咪一定系果個數架