對于數(shù)據(jù)3,3,2,3,6,3,10,3,6,3,2. ①這組數(shù)據(jù)的眾數(shù)是3; ②這組數(shù)據(jù)的眾數(shù)與中位數(shù)的數(shù)值不相等; ③這組數(shù)據(jù)的中位數(shù)與平均數(shù)的數(shù)值不相等; ④這組數(shù)據(jù)的平均數(shù)與眾數(shù)的數(shù)值相等. 其中正確結(jié)論的個(gè)數(shù)為()。