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Error! Bookmark not defined:错误!未定义书签 热度: 相关推荐 Nowlet’slookatahypothesistestH 0 :p 1 =p 2 . Wehaveˆp 1 andˆp 2 asbefore,butalsoapooledestimatecom- putedundertheassumptionthatH 0 iscorrect:ˆp= 5+6 78+31 = .1009. Thepooledstandarderrorisdefinedtobe SE= ˆ...