TT-6-35 求教, 讨论版没有

sherryouyang · 发表于 2006-9-9 08:44:00

what is the median number of employees assigned for the project at company Z?

1. 25 % projects at company Z have 4 or more employees assigned to each project

2. 35 % projects at company Z have 2 or few employees assigned to each project

答案为C. 怎么得的了?

merryqing2004 · 发表于 2006-9-9 10:46:00

讨论过的，

中数一定是第50％与第51％的平均数，根据1，2，既然中间部分的数只能是3，那中数肯定是3啦

sherryouyang · 发表于 2006-9-10 06:45:00

谢谢

谢谢