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Practical sheet | REF: FIC1456 V1

Confidence interval of a standard deviation and a mean

Author: Laurent LEBLOND

Publication date: February 10, 2015 | Lire en français

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    1. Consider the "sampling" effect on the evaluation of normal distribution parameters

    Just as the shape of histograms depended on sampling ( cf. Statistical tools you need to know and understand in metrology – Law of a phenomenon [FIC 1454] ), estimates of the mean and standard deviation of a series of data vary the more the series contains fewer values ( cf. Estimates of a mean and standard deviation, with a normal law of mean and standard deviation equal to 5).

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