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Statistical Parametric Mapping. SPM (Statistical Parametric Mapping) refers to the construction and assessment of spatially extended statistical processes used to test hypotheses about functional imaging data. These ideas have been instantiated in software that is called SPM.
Answer   Parametric statistical tests assume that your data are normally distributed (follow a classic bell-shaped curve). An example of a parametric statistical testâ¦ is the Student's t-test.    Non-parametric tests make no such assumption. An example of a non-parametric statistical test is the Sign Test.