题型:问答题 3000户业主的年收入分组资料如下表,则年收入众数为( )元。A.年收入/元B.4000~5000C.5000~6000D.6000~8000E.8000~9000F.9000~10000G.10000~12000H.12000~14000I.合计J.家庭数/户K.250L.200M.200N.1450O.300P.250Q.250R.2900 查看答案