Research Article

Exponentially Weighted Moving Average Control Charts for the Process Mean Using Exponential Ratio Type Estimator

Table 13

ARLs for proposed repetitive EWMA-RSS control charts using exponential ratio-type estimators, for = 0.25 when is 500 at λ = 0.1.

Shift = 3.0958= 2.339

fBTHK

0500.62500.62

0.01425.80393.36

0.02283.38226.36

0.03172.49121.12

0.04103.7065.61

0.0563.2436.70

0.107.613.61

0.151.911.23

0.201.121.01

0.251.011.00

0.301.001.00

0.351.001.00

0.401.001.00

0.51.001.00