5. 集落サンプリング(コストを最小化) 母集団をグループに分け、ランダムに選んだ 特定のグループ全員 を調査する方法です。 • イメージ: 60クラスから3クラスをランダムに選び、そのクラスの生徒全員を調査する。
Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...
Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...