In the average sample size approach to design u-chart with variable sample size, which of these is used to calculate the
Posted: Thu Jul 14, 2022 1:53 pm
a) \(\bar{n}=\frac{\sum_{i=0}^m n_i}{m}\)
b) \(\bar{n}=\frac{\sum_{i=1}^m u_i}{2m}\)
c) \(\bar{n}=\frac{\sum_{i=1}^m n_i}{m}\)
d) \(\bar{n}=\frac{\sum_{i=1}^n u_i}{m}\)
b) \(\bar{n}=\frac{\sum_{i=1}^m u_i}{2m}\)
c) \(\bar{n}=\frac{\sum_{i=1}^m n_i}{m}\)
d) \(\bar{n}=\frac{\sum_{i=1}^n u_i}{m}\)