5/13和8/13 5/7和5/11 4/5和7/8 2/9和1/6
[单选题]4,6,5,7,7,9,11,13,19,21,( )A. 27,29B. 32,33C. 35,37D.41,43
[单选题]4,6,5,7,7,9,11,13,19,21,( ),( )A.27,29B.32,33C.35,37D.41,43
[单选题]( ) 11 9 9 8 7 7 5 6A.10 B、11 C、12 D、13
[主观题]3/7,5/8,5/9,8/11,7/11,()A.11/14;B.10/13;C.15/17;D.11/12;
[单选题]3/7,5/8,5/9,8/11,7/11,()A . 11/14B . 10/13C . 15/17D . 11/12
[单选题]1/2,1,7/8 ,5/8 ,13/32 ,( )A. 1/4B. 15/64C. 11/64D. 7/64
[单选题]( ) 11 9 9 8 7 7 5 6A.10 B、11 C、12 D、13
[主观题]4, 5, 7, 9, 13, 15, ( ) A.17 B.19 C4,5,7,9,13,15,()A.17B.19C.18D.20
[单选题]1,9,7,4,8,5,( ),11。A.3B.4C.5D.6
[单选题]现有一组数据:2,3,4,4,5,5,5,5,6,6,7,7,8,共有13个数据,其样本中位数为( )。A.4B.5C.5.5D.6