参考:
A percentile rank indicates the percentage of scores that fall at or below a given score. If a score of 65 corresponds to a percentile rank of 80, the 80th percentile, this means that 80% of the scores in the distribution are lower than 65.
ksumail.kennesaw.edu/~rouyang/ED-research/d-statis.htm作者: 加油好孩子 时间: 11-3-16 15:54 标题: 回 1楼(wininghe) 的帖子 这咋还整出来英语来了呢!!!