47.下列何種抽樣方法所抽取的樣本,較具集中性與同質性? (A)簡單隨機抽樣(simple random sampling) (B)系統隨機抽樣(systematic random sampling)
問題詳情
47.下列何種抽樣方法所抽取的樣本,較具集中性與同質性? (A)簡單隨機抽樣(simple random sampling) (B)系統隨機抽樣(systematic random sampling) (C)分層隨機抽樣(stratified random sampling) (D)集束隨機抽樣(cluster random sampling)