(24/23+30/29+32/31)/(12/23+15/29+16/31) =
(24/23+30/29+32/31)/(12/23+15/29+16/31) =
23 24 25 26 27 28 29 30 31
已知一个样本:27,23,25,27,29,31,27,30,32,28,31,28,26,27,2928,24,26,
19,23,26,29,28,32,34,35,41,33,31,25,27,31,36,37,24,31,29,26,
19 23 26 29 28 32 34 35 41 33 31 25 27 31 36 37 24 31 29 26
23 28 29 30 32 31 41 33 31 37 36 31 24 27 31 25 35中的中卫数是多少?
已知一个样本:27,23,25,27,29,31,27,30,32,28,31,28,26,27,29,28,24,26
已知一个样本:27,23,25,27,29,31,27,30,32,28,31,28,26,27,29,28,24,26
数字排列5619 23 26 29 28 32 34 35 41 33 31 25 27 31 36 37 24 31
20*21*22*23*24*25*26*27*28*29*30*31*32*33*34*35*36*37*38*39*
21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,
19 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37的众数