A cusum for a normal variance has the value of lower cusum equal to ___________
Posted: Thu Jul 14, 2022 1:54 pm
a) \(C_i^+=min(0,C_{i-1}^- + S^2 + k)\)
b) \(C_i^-=max(0,C_{i-1}^- + S^2 + k)\)
c) \(C_i^+=max(0,C_{i-1}^- + S^2 + k)\)
d) \(C_i^-=min(0,C_{i-1}^- + S^2 + k)\)
b) \(C_i^-=max(0,C_{i-1}^- + S^2 + k)\)
c) \(C_i^+=max(0,C_{i-1}^- + S^2 + k)\)
d) \(C_i^-=min(0,C_{i-1}^- + S^2 + k)\)