a) UCL=\(\bar{u} + 3\sqrt{\frac{\bar{u}}{n}}\)
b) UCL=\(\bar{u} – 3\sqrt{\frac{\bar{u}}{n}}\)
c) UCL=\(\bar{u} – 2\sqrt{\frac{\bar{u}}{n}}\)
d) UCL=\(\bar{u} – \frac{3}{2} \sqrt{\frac{\bar{u}}{n}}\)
The 3 – sigma upper limit for a control chart for average number of nonconformities per unit, is expressed by __________
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answerhappygod
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The 3 – sigma upper limit for a control chart for average number of nonconformities per unit, is expressed by __________
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