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Describe a frequency distribution, a histogram, and a frequency polygon, and explain how they are different.
Birthrates
The number of live births per 1,000 people in a population over a given period of time.
Cohorts
Groups of people banded together or treated as a group, often referred to in research or demographics studies.
Social Security
A government program designed to provide financial assistance to people with little or no income, especially the elderly, disabled, and unemployed.
Social Change
The transformation over time of the institutions, culture, and structure of society.
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