各组的频率分别为( )。A.61 21 21 41 51 82 28B.55 65 75 85 95 105 115 125C.6% 11% 11% 3% 14% 17% 21% 7%D.60 70 80 90 100 110 120 130

各组的频率分别为( )。

A.61 21 21 41 51 82 28

B.55 65 75 85 95 105 115 125

C.6% 11% 11% 3% 14% 17% 21% 7%

D.60 70 80 90 100 110 120 130


相关考题:

高弓足指数大于A.11B.21C.31D.41E.51

曳引机减速箱速比范围通常为()。 A.61~21B.51~31C.31~21D.41~21

各组的频率分别为( )。A.6 12 12 14 15 18 22 8B.55 65 75 85 95 105 115 125C.6% 11% 11% 13% 14% 17% 21% 7%D.60 70 80 90 100 110 120 130

:1,11,21,31,( )。A.39B.41C.51D.49

1,11,21,31,( )。A41B39C49D51

1, 3, 5, 11, 21, ( ), 85。A. 33 B. 41 C. 43 D. 53

1,3,5,11,21,(),85 A. 33B. 41C. 43D. 53

3, 5, 11, 21, 43, ( )。A60B68C75D85

1,3,5,11,21,(),85。A.33 B.41 C.43 D.53