問題詳情

三、一家公司想要去估計某一個月所有員工的耗損工時數,而公司內的三大部門(勞工、技術人員、管理人員)因為工作內容及型態不同,應該會有不同的耗損工時數。因此決定採用依部門分層的分層隨機抽樣。


【題組】 ⑴如果設定估計總耗損工時數之誤差在 100 小時之內,在 95%的信賴水準下,請使用表一的資訊(Ni 表層i 的人數),以紐曼配置(Neyman allocation)法,計算所需要的總樣本數及各層樣本數。(10 分)

參考答案

答案:B
難度:適中0.649254
統計:A(64),B(174),C(4),D(0),E(0)

用户評論

Coco Lee】評論

Audio-lingualism is a method of foreign language teaching where the emphasis is on learning grammatical and phonological structure, especially for speaking and listening. It is based on behaviourism and so relies on formation as a basis for learning, through a great deal of mechanical repetition.Example The teacher spends most of the time in the class drilling the learners on grammatical and phonological structures. Error correction is also important.In the classroom Audio-lingualism evolved in the context of large-scale language teaching programmes in the 1950s and 60s. It is unusual in mod...