Fig. 6
From: Adaptive VSS-EWMA control chart for monitoring the process dispersion

Proposed CV control chart for variable sample size with \(\lambda =0.25\), \({n_1}=5\)and \({n_2}=10\).
From: Adaptive VSS-EWMA control chart for monitoring the process dispersion

Proposed CV control chart for variable sample size with \(\lambda =0.25\), \({n_1}=5\)and \({n_2}=10\).