In the Minitab version of the cusum control charts, which of these is used?
Posted: Thu Jul 14, 2022 1:54 pm
a) \(C_i^+=max\left\{0,x_i-μ_0+k+C_{i-1}^-\right\}\)
b) \(C_i^-=min\left\{0,x_i-μ_0+k+C_{i-1}^-\right\}\)
c) \(C_i^-=max\left\{0,x_i-μ_0-k+C_{i-1}^-\right\}\)
d) \(C_i^-=min\left\{0,x_i-μ_0-k-C_{i-1}^-\right\}\)
b) \(C_i^-=min\left\{0,x_i-μ_0+k+C_{i-1}^-\right\}\)
c) \(C_i^-=max\left\{0,x_i-μ_0-k+C_{i-1}^-\right\}\)
d) \(C_i^-=min\left\{0,x_i-μ_0-k-C_{i-1}^-\right\}\)