中国大学MOOC: The fraction of a sample possessing a certain trait is called a:
举一反三
- The fraction of a sample possessing a certain trait is called a: A: proportion. B: population. C: mean. D: confidence interval.
- 中国大学MOOC: Return sample can also be called ( ).
- 中国大学MOOC: Trait属性有哪些主要功能。
- Counter sample can also be called ( ) A: duplicate sample B: sealed sample C: return sample D: reference sample
- 中国大学MOOC: the portion retained in Chinas economy is a tiny fraction of that amount.