Central tendency
Central Tendency
Central tendency (pronunciation: /ˈsɛntrəl ˈtɛndənsi/) is a statistical measure that identifies a single value as representative of an entire distribution. It aims to provide an accurate description of the entire data. It is used in descriptive statistics to identify the center point or typical value of a dataset.
Etymology
The term "central tendency" dates from the late 1920s. The word "central" comes from the Latin centrum, meaning "center", and "tendency" from the Latin tendere, meaning "to stretch".
Related Terms
- Mean: The arithmetic average of a set of values, or distribution; a measure of central tendency in a set of numerical data.
- Median: The middle value separating the higher half from the lower half of a data sample; another measure of central tendency.
- Mode: The value that appears most frequently in a data set; a measure of central tendency.
- Range: The difference between the highest and lowest values in a data set.
- Variance: A measurement of the spread between numbers in a data set.
- Standard Deviation: A measure of the amount of variation or dispersion of a set of values.
See Also
References
External links
- Medical encyclopedia article on Central tendency
- Wikipedia's article - Central tendency
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