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The number of tests for each configuration is only 2. How the standard deviation and CoV can be obtained based on 2 samples? And how much is the accuracy of such numbers?

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The number of tests for each configuration is only 2. How the standard deviation and CoV can be obtained based on 2 samples?
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The number of tests for each configuration is only 2. How the standard deviation and CoV can be obtained based on 2 samples?
Re: Even though the number of tests for each configuration is only 2, there are N configurations and therefore the total number of tests are 2N. The standard deviation and CoV were based on all the tests.
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