1.
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Select DOE > Design Diagnostics > Sample Size and Power.
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2.
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Click Two Sample Means.
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3.
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Leave Alpha as 0.05.
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4.
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Enter 1 for Std Dev.
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5.
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Leave Extra Parameters as 0.
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6.
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Enter 1 as Difference to detect.
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7.
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8.
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Enter 0.8 for Power.
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9.
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Click Continue.
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Figure 16.8 Two Sample Means Calculator Result