The purpose of this article is to provide the derivation of the heat transfer matrix of ISO 13786 from the solution of the one-dimensional heat…
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Proof of ANOVA’s Partitioning of Sum of Squares Formula
The analysis-of-variance (ANOVA) approach — whose purpose is mainly to analyyze the quality of the estimated regression — is based on the so-called partioning of…
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Proof that the Least Squares Estimator of the Variance is Unbiased
Let’s consider a random variable Y that is related to the independent variable x through the equation Y = α + βx + ε. where…
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Derivation of Poisson Distribution from Probability Theory
Introduction Poisson distribution makes possible to model phenomena in which we would normally use the binomial distribution, but parameter n is too large and calculations…
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