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correlation
IPA:
Dictionary definition of correlation
A mutual relationship or connection between two or more things.
"The correlation between education and income is well-established."
Detailed meaning of correlation
This could include social or emotional connections between individuals, for example, or the interdependence of different systems within an organization or ecosystem. In this sense, correlation refers to a shared or reciprocal influence between different entities, where changes or developments in one can impact the other. Such connections can be positive, where they reinforce or support each other, or negative, where they may conflict or oppose each other. Correlation in this sense can be used to describe the interconnectivity and complexity of many different systems, and can be an important consideration in areas such as business strategy, social dynamics, and environmental sustainability.
Correlation more specifically refers to a statistical measure that indicates the strength and direction of the relationship between two or more variables. This measure provides insight into how changes in one variable are associated with changes in another variable, and can help identify patterns and trends in data. Correlation is often expressed as a correlation coefficient, which ranges from -1 to +1. A correlation coefficient of 0 indicates no correlation between the variables, while a coefficient of +1 or -1 indicates a perfect positive or negative correlation, respectively. Correlation is commonly used in scientific research, economics, and social sciences to analyze and understand data and the relationships between variables.
Example sentences containing correlation
1. The study found a strong positive correlation between exercise and overall well-being.
2. There is a significant correlation between smoking and the development of lung cancer.
3. Researchers discovered a correlation between high stress levels and increased blood pressure.
4. The correlation between student engagement and academic performance was evident in the study.
5. A negative correlation was observed between hours of sleep and levels of fatigue.
6. The research revealed a correlation between income and access to quality healthcare.
History and etymology of correlation
The noun 'correlation' traces its origins to Latin and Greek roots. It is derived from the Latin word 'correlatio,' which combines 'con-' meaning 'together' and 'relatio' meaning 'a relation or connection.' The Greek influence comes from 'correlate,' where 'cor-' means 'together' and 'relate' means 'to carry or bring back.' 'Correlation' denotes a mutual relationship or connection between two or more things, where changes or variations in one are associated with changes or variations in another. It signifies how two or more elements are related or linked in some way. The etymology of 'correlation' underscores the idea of things being brought together or connected in a meaningful and interdependent manner, reflecting the relationship between variables often studied in fields like statistics and science.
Further usage examples of correlation
1. The study showed a correlation between social media usage and feelings of loneliness.
2. There was a strong correlation between employee satisfaction and productivity in the workplace.
3. The research indicated a correlation between diet and heart disease risk factors.
4. A positive correlation was found between the amount of time spent studying and test scores.
5. The study revealed a correlation between temperature and ice cream sales.
6. Researchers established a correlation between environmental pollution and respiratory illnesses.
7. There was a significant correlation between investment performance and economic indicators.
8. The study demonstrated a correlation between parental involvement and children's academic achievement.
9. A strong correlation was found between unemployment rates and poverty levels.
10. The research showed a correlation between alcohol consumption and liver damage.
11. There was a positive correlation between customer satisfaction and repeat purchases.
12. The study identified a correlation between educational attainment and job opportunities.
13. Researchers found a correlation between air quality and respiratory symptoms.
14. The data analysis revealed a correlation between housing prices and proximity to city centers.
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TOEFL 1, Scientific and Methodical, Middle School 16, Connections and Interactions
agreement,association,connection,link,nexus
comparability,correspondence,equivalence,interconnection,interdependence,interrelation,linkage,parallelism,relationship,tie
Synonyms for correlation
Quiz categories containing correlation
connection, independence, unrelatedness, disconnection
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