X bar, x̄ (or X̄) or X-bar may refer to:
- X-bar theory, a component of linguistic theory
- Arithmetic mean, a commonly used type of average
- An X-bar, a rollover protection structure
- Roman numeral 10,000 in vinculum form
See also edit
- X-bar chart, a type of control chart
This disambiguation page lists articles associated with the title X bar.
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