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Descriptive Statistics Introduction
This document contains a presentation on statistical concepts such as scales of measurement, measures of central tendency, normal distributions, and standard deviation. It defines nominal, ordinal, interval and ratio scales of measurement. It explains how to calculate the median and mean of a data set. The presentation shows how data can form a normal distribution and discusses how the mean, mode and median all fall in the center of a normal distribution. It also discusses how standard deviation describes how spread out scores are in a data set and how the mean and standard deviation can characterize normal distributions.
