Research Article

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

Table 10

ARLs for proposed repetitive EWMA-RSS control chart using Khan et al. [8] exponential ratio-type estimator, when is 370.

shift = 3.0025, = 2.6008, λ = 0.1

f = 0.25 = 0.50 = 0.90

0370.98370.98370.98

0.01274.70187.39138.59

0.02174.55114.2935.05

0.0396.2979.9510.94

0.0453.8542.634.32

0.0531.2023.802.19

0.103.742.751.00

0.151.321.161.00

0.201.031.011.00

0.251.001.001.00

0.301.001.001.00

0.351.001.001.00

0.401.001.001.00

0.51.001.001.00