define- infant mortality rate, life expectancy, birth rate,death rate
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Infant mortality rate:-Infant mortality is the death of an infant before his or her first birthday. The infant mortality rate is the number of infant deaths for every 1,000 live births
Life expectancy:-Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, its current age, and other demographic factors including gender.
birth rate:-The birth rate in a period is the total number of live births per 1,000 population divided by the length of the period in years
death rate:- ratio of deaths to the population of a particular area or during a particular period of time, usually calculated as the number of deaths per one thousand people per year.
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Answer:
Infant mortality rate:-Infant mortality is the death of an infant before his or her first birthday. The infant mortality rate is the number of infant deaths for every 1,000 live births
Life expectancy:-Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, its current age, and other demographic factors including gender.
birth rate:-The birth rate in a period is the total number of live births per 1,000 population divided by the length of the period in years
death rate:- the ratio of deaths to the population of a particular area or during a particular period of time, usually calculated as the number of deaths per one thousand people per year.
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