按比例抽樣 的英文怎麼說
中文拼音 [ànbǐlìchōuyàng]
按比例抽樣
英文
proportionate sampling- 按 : Ⅰ動詞1 (用手或手指壓) press; push down 2 (壓住; 擱下) leave aside; shelve 3 (抑制) restrain...
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 抽 : 動詞1 (把夾在中間的東西拉出; 提取) take out (from in between) 2 (從全部里取出一部分; 騰出) ...
- 樣 : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
- 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
- 抽樣 : [統計] sample; sampling; specimen; samples draw
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Proportion allocation in stratified random sampling
按比例分層隨機抽樣Multi - stage stratified cluster sampling with proportional allocation was used to determine the study population, which was equal to approximately 0. 5 % of all students in that age group in taiwan
本研究以結構性問卷進行資料收集,以分層集束抽樣方法,依國中、高中、高職、專科(五專的一至三年級)等類別分層,按學生人數比例,抽取總學生人數的0 . 5 %為研究樣本。Methods after a general cross - sectional hygienic survey which was carried out by filling in questionnaires, the source water 、 off - work water and pipe water sampled from 20 % subjects which were selected by stratified sampling and simple random sampling were tested
方法按設定的調查內容,先採用橫斷面現場普查填寫調查表的方法進行衛生學調查,然後按20 %的比例採用分層、隨機抽樣的方法,對水源水、出廠水、末梢水進行檢測。Using a multi - stage cluster sampling design, each of the three cities selected 21 secondary schools with a probability proportional to size to participate in the study
運用多階段集群抽樣方法,各參與城市的所有普通中學,按學校學生人數比例作為學校抽樣機率,每地區抽出21間學校。分享友人