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What is the origin of lymphatic vessels?
Association
In statistics, it refers to a relationship or linkage between two or more variables whereby they tend to vary together in a predictable manner.
Household Income
The combined gross income of all members of a household, typically measured annually.
Classification
The process of organizing or sorting items into categories based on their attributes or characteristics.
Sample Surveys
Research methods that collect data from a subset of a population to make inferences about the entire population.
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