ST2523 Series Operation Manual Ver1.2
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The : STATIstics:DEViation? query returns the statistical deviation.
Query syntax: : STATIstics:DEViation?
Response: <σn(NR3)>
For example: Syntax: :STATI:DEV?
Response: 0.0159E-3
The : STATIstics:VARiance? query returns the statistical variance.
Query syntax: : STATIstics: VARiance?
Response: <sn(NR3)>
For example: Syntax: :STATI:DEV?
Response: 0.0159E-3
The : STATIstics:CP? query returns the Process Capability Index (CP).
Query syntax: : STATIstics:CP?
Response: <Cp(NR2)>,<Cpk(NR2)>
For example: Syntax: :STATI:CP?
Response: 0.86, 0.14