Atlas Copco PowerMACS 4000

SPC and Statistics
406 9836 3521 01
 
jj
NoBolts
i
ij
j
ij
j
NoBolts
i
ij
j
j
j
ij
j
VarStnStdDevStn
VarXStnXVarStn
NoBolts
X
XStn
StdDevStn
VarStn
Var
XStn
NoBolt













1
2
1
ij
j subgroupfor station for thedeviation standard The
j subgroupfor station for the variansThe
ibolt for j subgroupfor variansThe
j subgroupfor station for the average The
i.bolt for j subgroupfor mean value The X
up.set is collection-SPCfor which station in this bolts ofnumber The