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Statistics


            Normal distribution

            Random variables of many natural phenomena are modeled by the normal distribution. The
            normal distribution has the probability density:








                                                      2
            Where μ is the mean of the distribution and σ  is the variation of the distribution. The graph
            of the normal distribution has a shape of a bell curve, e.g. confer the graph underneath of
            the normal distribution with the mean 10 and the standard deviation 2.
















































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