（多选）偏态系数是对数据分布偏斜程度的测度，下面描述正确的是（ ）。[西安交大2008研]

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30462' and id < 2461206 and id<>'2461206' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30462' and id > 2461206 and id<>'2461206' order by id asc limit 5