确认population和sampleA sociologist obtains a list of 520 members of a local business and professional women's club and mails a questionnaire to 100 of these women selected random.Only 48 questionnaries are returned.What is the poopulation in this

确认population和sampleA sociologist obtains a list of 520 members of a local business and professional women's club and mails a questionnaire to 100 of these women selected random.Only 48 questionnaries are returned.What is the poopulation in this population population population population和people的区别 a population of和the population of有啥区别 colony 和 population 的区别是什么 the population of 和 a population of 的用the population of 和 a population of 的用法和区别是什么~ 关于英文单词population的用法.What is the population of ...和How much is the population of ...哪个正确? 怎么用手表和太阳确认方向? population和population figures是不是都可表示人口数目?有什么区别呢 是 6 million people 还是 6 million population顺便说下 people 和 population 区别 a population of 和the population of 的区别,这两怎么用? 分离两中液体混合物分馏和蒸馏?确认一下就行了.确认一下就行了确认一下就行了确认一下就行了确认一下就行了确认一下就行了确认一下就行了确认一下就行了确认一下就行了确认一下就 利润的确认主要依赖于收入和费用的确认,这句话有什么错误 personality和population意思有什么不同吗 artificial biofilm-attached population是什么意思,微生物和医学方面的. 统计学中population和sample有什么区别?统计学中population和sample在概念上有什么区别?