What is the correct expression for average moving range for any individuals control chart?
Posted: Thu Jul 14, 2022 1:47 pm
a) \(\overline{MR} = \sum_{i=2}^m \frac{MR_i}{m-1}\)
b) \(\overline{MR} = \sum_{i=1}^m \frac{MR_i}{m}\)
c) \(\overline{MR} = \sum_{i=2}^{m-1} \frac{MR_i}{m-1}\)
d) \(\overline{MR} = \sum_{i=1}^m \frac{MR_i}{m-1}\)
b) \(\overline{MR} = \sum_{i=1}^m \frac{MR_i}{m}\)
c) \(\overline{MR} = \sum_{i=2}^{m-1} \frac{MR_i}{m-1}\)
d) \(\overline{MR} = \sum_{i=1}^m \frac{MR_i}{m-1}\)