Frequency distributions are descriptive statistics that provide informative and summarized data sets. A frequency distribution provides categorical information on number of occurrences. Census data, such as average number of children per household by state, represents an example of a frequency distribution. Summarized data allows for faster reader assessment of a described sample than reading through individual quantitative statements. This entry discusses frequency and relative frequency distribution and explains how to construct frequency distribution tables and create graphical depictions. Next, it explains central tendency and variation relative to frequency distribution. Finally, it illustrates the interaction among sample data, statistics, and visual representation.
Frequency and relative frequency distribution provide succinct, descriptive data for quick evaluation. They serve to visually ...
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