When you click Continue, the sigma quality calculator computes the missing quantity.
1.
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Select DOE > Sample Size and Power.
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2.
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Click the Sigma Quality Level button.
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3.
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Enter 50 for the Number of Defects.
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4.
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Enter 1000000 as the Number of Opportunities. (See window to the left in Sigma Quality Level Example 1.)
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5.
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Click Continue.
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1.
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Select DOE > Sample Size and Power.
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2.
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Click the Sigma Quality Level button.
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3.
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Enter 6 as Sigma Quality Level.
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4.
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5.
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Leave Number of Defects blank.
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6.
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Click Continue.
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The computation shows that the Number of Defects cannot be more than approximately 3.4. (See right window in Sigma Quality Level Example 2.)