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Answer and Explanation:
Statistical infrequency measures abnormality based on the characteristic's level of statistical occurrence and is only based on measurable and observable characteristics. To measure abnormality in behavior for instance, statistical data of behavior of a group of people(with numerically values) may be plotted into a graph where deviating values may be classified as abnormal. However behaviours are not usually universally abnormal since certain behaviors may apply differently based on norms and culture