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Just a note
If you prefer to think in terms of frequency distributions, we can express this another way:
Notice however, because the sampling process looses information, the cumulative distribution function of a sample cannot contain all the details of the parametric distribution  in other words the sampling process produces a simplified and distorted image of the original. Resampling a sample yields a more simplified and distorted picture. Provided the resampling process faithfully mimics the sampling process, the alterations introduced by resampling provide an estimate of those introduced by the original sampling process.
