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 |
| 0 | 370.98 | 370.98 | 370.98 |
| 0.01 | 274.70 | 187.39 | 138.59 |
| 0.02 | 174.55 | 114.29 | 35.05 |
| 0.03 | 96.29 | 79.95 | 10.94 |
| 0.04 | 53.85 | 42.63 | 4.32 |
| 0.05 | 31.20 | 23.80 | 2.19 |
| 0.10 | 3.74 | 2.75 | 1.00 |
| 0.15 | 1.32 | 1.16 | 1.00 |
| 0.20 | 1.03 | 1.01 | 1.00 |
| 0.25 | 1.00 | 1.00 | 1.00 |
| 0.30 | 1.00 | 1.00 | 1.00 |
| 0.35 | 1.00 | 1.00 | 1.00 |
| 0.40 | 1.00 | 1.00 | 1.00 |
| 0.5 | 1.00 | 1.00 | 1.00 |
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