Researchers gain knowledge about a seemingly haphazard situation by collecting information about a variable. This information is called data. This sub-module explores the two methods for classifying data. The type of data determines what statistical analysis can be performed on the data.
Whether a cholesterol study, the state budget report, or even batting averages from local high school games, statistics are everywhere in today’s world. Sources such as research journals, magazines, newspapers, the Internet, and television constantly give us information in the form of statistics. This submodule discusses why we should study statistics and formally defines the branch of mathematics called statistics.
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