statistics
It is called a representative sample.
stratificatin
That the key characteristics of the population are reflected in the sample.
When we think of the term "population," we usually think of people in our town, region, state or country and their respective characteristics such as gender, age, marital status, ethnic membership, religion and so forth. In statistics the term "population" takes on a slightly different meaning. The "population" in statistics includes all members of a defined group that we are studying or collecting information on for data driven decisions.A part of the population is called a sample. It is a proportion of the population, a slice of it, a part of it and all its characteristics. A sample is a scientifically drawn group that actually possesses the same characteristics as the population - if it is drawn randomly.(This may be hard for you to believe, but it is true!)
If they are randomly drawn and large enough.
demographics
It is called a representative sample.
population, territory, sovereignty, and government
stratificatin
A representative sample.
Characteristics of a population pyramid include density, growth rate, and geographic distribution.
Overpopulated
population is a verdict for India
government and population
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Characteristics of human populations include size, density, distribution, age structure, sex ratio, birth rates, death rates, and migration patterns. These characteristics can vary widely between different populations and have significant implications for social, economic, and environmental dynamics.
This type of natural selection is called stabilizing selection because the mean traits of the population are being selected for against the immediate environment.