(1)在6個連續(xù)奇數(shù)為一組數(shù)據(jù)的排列中,中位數(shù)是26,寫出這6個數(shù)據(jù). (2)已知數(shù)據(jù)-4,1,2,-1,2,下列結(jié)論錯...
(1)在6個連續(xù)奇數(shù)為一組數(shù)據(jù)的排列中,中位數(shù)是26,寫出這6個數(shù)據(jù).
(2)已知數(shù)據(jù)-4,1,2,-1,2,下列結(jié)論錯誤的是()
A平均數(shù)為0
B中位數(shù)為2
C中位數(shù)為1
D眾數(shù)為2
6對于數(shù)據(jù)組:2,4,4,5,3,9,4,5,1,8其眾數(shù)、中位數(shù)及平均數(shù)分別為()
A4,4,6
B4,6,4.5
C4,4,4.5
D5,6,4.5
7.某班7個合作學(xué)習(xí)小組如下:5,5,6,末知數(shù),7,7,8,已知這組數(shù)據(jù)的平均數(shù)是6,則組數(shù)據(jù)的中位數(shù)是()
A.7 B.6
C.5.5 D.5