One of the most important properties of an analytical method is that it should be free from bias. That is to say that the test result it gives for the amount of analyte is accurate, close to the true value. This property can be verified by applying the method to a certified reference material or spiked standard solution with known amount of analyte. We also can verify this by carrying out two parallel experiments to compare their means….
Hypothesis testing – comparison of two experimental means
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