Table 9 Values of design parameters of the existing and proposed charts.

From: An enhanced nonparametric quality control chart with application related to industrial process

Charts

Design parameters

NPSR-E chart

\(\beta =0.05, L=2.602\)

NPSR-H chart

\(\beta =0.05, T=2.0701\)

NPSR-DH chart

\(\beta =0.05, T=2.322\)