Question 84213
SEE THE FOLLOWING EXAMPLE AND TRY.SEE SOURCE CODE FOR CORRECT FORMAT
COME BACK IF IN DIFFICULTY
TABULATE AND DO AS FOLLOWS.HOPE IT IS CLEAR.PLEASE COME BACK IF IN DOUBT			
	x	X=x-M	X^2
1	4	-2.4	5.76
2	5	-1.4	1.96
3	8	1.6	2.56
4	7	0.6	0.36
5	9	2.6	6.76
6	8	1.6	2.56
7	7	0.6	0.36
8	3	-3.4	11.56
9	6	-0.4	0.16
10	7	0.6	0.36
								
SUM=S=	64	S.S.D. =	32.4	S.S.D=SUM OF SQUARES OF DEVIATIONS				
N0.=N =	10	N0. = N = 	10					
MEAN=M=	6.4	VARIANCE=V=	3.24	=MEAN OF SUM OF SQUARES OF DEVIATIONS				
		S.D = SQRT.(V)	1.8	=ROOT OF MEAN OF SUM OF SQUARES OF DEVIATIONS