1.

What is the lower limit of the EWRMS chart?

A. LCL=\(3σ_0 \sqrt{\frac{χ_{v,1-\frac{α}{2}}^2}{v}}\)
B. LCL=\(σ_0 \sqrt{\frac{χ_{v,1-\frac{α}{2}}^2}{2v}}\)
C. LCL=\(σ_0 \sqrt{\frac{χ_{v,1-\frac{α}{2}}^2}{v}}\)
D. LCL=\(\frac{σ_0}{2} \sqrt{\frac{χ_{v,1-\frac{α}{2}}^2}{v}}\)
Answer» D. LCL=\(\frac{σ_0}{2} \sqrt{\frac{χ_{v,1-\frac{α}{2}}^2}{v}}\)


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