The Frequentist Approach Observe data. Assume the data were generated randomly, e.g. by nature, by designing a survey, etc. Make assumptions on the generating process, e.g. i.i.d., Gaussian, etc. Associate the generating process to some object of interest, e.g. a parameter, a density, etc. Assuming that the object is unknown but fixed, try to find it, e.g. estimate it, test a hypothesis about it, etc. The Bayesian Approach Observe data....