Transcription of Error Distribution Variances and Other Statistics1
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Error Distribution Variances and Other Statistics1
Error Distribution Variances and Other Statistics1 Dr. howard Castrup Integrated Sciences Group 1/15/2009 Introduction This monograph was developed in response to customer inquiries concerning the expressions used to represent the standard deviations (standard uncertainties) of the various Error probability distributions employed in ISG software and elsewhere. The following develops these standard deviations, showing in detail the steps involved. For each Distribution , the steps may vary, but the basic procedure is to first develop an expression for the Distribution variance 2, from which the standard deviation follows immediately. Distribution variance - The General Expression For a random variable with probability Distribution function (pdf) f( ) and mean , the variance is given by 22()()fd =.
Error Distribution Variances and Other Statistics1 Dr. Howard Castrup Integrated Sciences Group 1/15/2009 Introduction This monograph was developed in response to customer inquiries concerning the expressions used to represent the
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