The Charlier's check for accuracy is used in calculation of arithmetic mean in -
(A) Shortcut method
(B) Step Deviation method
(C) Direct method
1
Only (C)
2
(A) and (B)
3
(A), (B), (C)
4
(B) and (C)
5
Question Not Attempted
The Charlier's check for accuracy is used in calculation of arithmetic mean in -
(A) Shortcut method
(B) Step Deviation method
(C) Direct method