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1. |
What is the value of LCL of EWMA control charts? |
A. | LCL=\(μ_0+Lσ\sqrt{[\frac{λ}{2-λ}\big\{1-(1-λ)^{2i}\big\}]}\) |
B. | LCL=\(μ_0-Lσ\sqrt{[\frac{λ}{2-λ}\big\{1-(1-λ)^{2i}\big\}]}\) |
C. | LCL=\(μ_0-Lσ\sqrt{[\frac{λ}{2-λ}\big\{1-(1+λ)^{2i}\big\}]}\) |
D. | LCL=\(μ_0+Lσ\sqrt{[\frac{λ}{2-λ}\big\{1-(1+λ)^{2i}\big\}]}\) |
Answer» C. LCL=\(μ_0-Lσ\sqrt{[\frac{λ}{2-λ}\big\{1-(1+λ)^{2i}\big\}]}\) | |