A.統(tǒng)計(jì)設(shè)計(jì) B.統(tǒng)計(jì)調(diào)查 C.統(tǒng)計(jì)整理 D.統(tǒng)計(jì)分析
A.簡(jiǎn)單隨機(jī)抽樣B.等距抽樣C.分層抽樣D.多階段抽樣
A.重點(diǎn)調(diào)查B.抽樣調(diào)查C.典型調(diào)查D.普查