1.

What is the value of LCL of EWMA control charts?

A. LCL= ( _0+L sqrt{[ frac{ }{2- } big {1-(1- )^{2i} big }]} )
B. LCL= ( _0-L sqrt{[ frac{ }{2- } big {1-(1- )^{2i} big }]} )
C. LCL= ( _0-L sqrt{[ frac{ }{2- } big {1-(1+ )^{2i} big }]} )
D. LCL= ( _0+L sqrt{[ frac{ }{2- } big {1-(1+ )^{2i} big }]} )
Answer» C. LCL= ( _0-L sqrt{[ frac{ }{2- } big {1-(1+ )^{2i} big }]} )


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