Research Article

A New Nonparametric Multivariate Control Scheme for Simultaneous Monitoring Changes in Location and Scale

Table 3

OC ARL values of these charts for various and when zero-state with the IC distribution .

ShiftsS-WS-MDProposedS-WS-MDProposedS-WS-MDProposed

50
, 96182.670.763.5189.953.35327449.9
, 24.768.419.315.972.712.611.214710.9
, 31.585.730.219.3101.518.819193.318.8
, 11.230.8117.140.66.86.1103.16.1

100
, 73140.967.723.933.222.822.592.222.3
, 18.439.5145.633.25.13.992.23.7
, 27.84724.15.913.85.88.2143.28.2
, 17.716.522.14.814.44.84.556.64.2

200
, 65.9120.357.916.27916.28.877.88.4
, 15.527.811.3412.23.42.513.42.5
, 18.934.817.64.716.64.32.923.82.7
, 7.512.67.52.44.72.425.52