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.普查 B.重點(diǎn)調(diào)查 C.典型調(diào)查 D.抽樣調(diào)查
A.統(tǒng)計(jì)標(biāo)準(zhǔn) B.統(tǒng)計(jì)應(yīng)用 C.統(tǒng)計(jì)監(jiān)督 D.統(tǒng)計(jì)調(diào)查