为了考察某种小麦的长势,从中抽取10株苗,测得苗高如下(单位:cm):12,13,14,15,10,16,13,11,15,11.则该品种的小麦苗高的样本方差为
12, 10, 14, 13, 16, 16,______,______ ( )[51%]
12, 10, 14, 13, 16, 16,______,______ ( ) A.14,18 B.20,19 C.18,19 D.15,18
口算80÷10=270÷45=96÷32=500×6=0÷42×16=25×4=13×5=72+48=16×6=6×..[51%]
口算 80÷10=270÷45=96÷32=500×6=0÷42×16=25×4=13×5=72+48=16×6=6×5÷5=240÷3=77÷11=20×50=12×5=12-10÷2=45×20=27×3=48÷3=416÷4=40+25-12=80-26=420-70=420÷70=24×5=16+4×8=125×8=54-28=650...
5,19,8,16,11,13,14,10,( )[51%]
5,19,8,16,11,13,14,10,( ) A.13B.11C.18D.17
:5,19,8,16,11,13,14,10,( )[51%]
:5,19,8,16,11,13,14,10,( ) A.13B.11C.18D.17
:5,19,8,16,11,13,14,10,( )[51%]
:5,19,8,16,11,13,14,10,( )A.13B.11C.18D.17
5,19,8,16,11,13,14,10,( )[51%]
5,19,8,16,11,13,14,10,( )A.13 B.11 C.18 D.17
5,19,8,16,11,13,14,10,( )[51%]
5,19,8,16,11,13,14,10,( )A.13 B.11 C.18 D.17
9,16,11,14,13,12,15,10,( )[51%]
9,16,11,14,13,12,15,10,( )A.14
B.16
C.17
D.19
9,16,11,14,13,12,15,10,( )[51%]
9,16,11,14,13,12,15,10,( )A.14
B.16
C.17
D.19