Summarizing Location, Scatter, and Relative Position
Quantitative data can be described with numbers that summarize the center of a data set, the amount of scatter represented among its elements, and sometimes even the relative position of a particular value within the set of data. A distribution of quantitative data values can be characterized by its shape, its center, and its spread. Developing summary statistics is an important step in working with sample data.
Measures of Location
There are three measures of central tendency: the average value or mean, the middle value or median, and the most frequent value or mode. While the mode, by definition, is a member of the original set of data, the mean and the median do not necessarily ...
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