variability
/'veəriəblnis/ Cách viết khác : (variability) /,veəriə'biliti/
Học thuậtThân thiện
Definition
Noun: 1. The quality of being uneven and lacking uniformity: The state or characteristic of not being constant, stable, or consistent; the presence of differences or fluctuations. 2. The quality of being subject to variation: The capacity or tendency to change, differ, or vary over time, across conditions, or among different instances.
Usage and Examples
- The variability in the test results made it difficult to draw a clear conclusion.
- Weather in this region is known for its high variability; you can experience all four seasons in a single week.
- The study measured the variability of heart rates among participants during exercise.
- A key challenge in manufacturing is reducing the variability in product quality.
Advanced Usage
- Statistical Variability: In statistics, variability (often measured by variance or standard deviation) describes how spread out a set of data is.
- The low variability in the data points suggests a very consistent process.
- Inherent Variability: Used to describe a natural or fundamental tendency to change within a system.
- Biological systems exhibit a great deal of inherent variability.
Variants and Related Words
- Variable (adj/noun): Likely to change or vary; not a fixed quantity. (e.g., ; ).
- Invariability (noun): The quality of being unchanging or constant.
- Variance (noun): The fact or quality of being different or divergent; a statistical measure of variability.
Synonyms
- Changeability
- Fluctuation
- Inconsistency
- Unpredictability
- Disparity
Antonyms
- Constancy
- Uniformity
- Stability
- Consistency
- Invariability
Related Phrases and Concepts
- Degree of variability: Refers to the extent or amount of variation present.
- Researchers analyzed the degree of variability between the two sample groups.
- Source of variability: The origin or cause of the observed differences or changes.
- Identifying the main source of variability is crucial for improving the design.
Noun
- the quality of being uneven and lacking uniformity
- the quality of being subject to variation