for a certain examination, and the score of 98 was standard derivations above mean, what was the mean score?
我是不懂"a score of 58 was 2 standard derivations below the mean ", 这句话是什么意思啊?
举报
发表回复
手机版|ChaseDream|GMT+8, 2024-11-6 11:26 京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
ChaseDream 论坛
© 2003-2023 ChaseDream.com. All Rights Reserved.