Appendix: statistical concepts

The numbers used by a designer (values used as data or results) are normally affected by noise and inaccuracies that turn them into random variables. Thus, the values taken by the variable *y* at a particular moment form a set {*y*_{1},…,*y _{N}*}, which we will refer to as an

The elements of the population have a particular possibility of appearing in a sample. We use the term *probability distribution* to refer to the function that assigns each element of the population a probability of appearing in an *N* = 1-sized sample. The mean (population mean) and variance (population ...

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