Examlex
None of the measures of variation (the range,interquartile range,standard deviation and variance)can ever be negative.
Demographic Transition
The transition from high birth and death rates to low birth and death rates, accompanying economic development and improvements in living conditions.
Growth Rate
The rate at which the amount, value, or size of something increases over a particular period of time.
Total Fertility Rate
The average number of children that would be born to a woman over her lifetime, given current age-specific fertility rates.
Demographic Data
Information collected about populations, such as age, race, gender, income, and education, used to identify and analyze population trends.
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