在统计学里, collectively exhaustive如何翻译?

在统计学里, collectively exhaustive如何翻译?

题目
在统计学里, collectively exhaustive如何翻译?
还有A and B cannot be both independent and mutually exclusive这个如何翻译?
If either event A or event B must occur, they are called collectively exhaustive如何翻译?
The median should always be preferred to the mean when the population or sample is skewed to the right or left 这个如何?


The role of inferential statistics is to help us understand the characteristics of the sample.是对还是错?如何翻译?为什么?
答案
A and B cannot be both independent and mutually exclusive
A和B不能既相互独立又互斥(如果AB互斥则A等于B补,不相互独立).
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想找英语初三上学期的首字母填空练习……
英语翻译
1,人们染上烟瘾,最终因吸烟使自己丧命.
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