How would I figure out the birth rate, immigration rate and emigration rate from this data?
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How would I figure out the birth rate, immigration rate and emigration rate from this data?
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Year Births Deaths Immigrant Emigrants
10 1,400,000 600,000 40,000 20,000
20 1,600,000 500,000 100,000 20,000
30 2,000,000 400,000 150,000 15,000
40 2,300,000 350,000 170,000 12,000
50 2,500,000 350,000 200,000 10,000
Sorry it's all squeezed in, Yahoo answers won't let me space it out very much.
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doug
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Without knowing the source and reliability I'd question the data. Only a mathematician could really help -and i'm certainly not one. Assuming this is a closed system, i.e., one country, a brief look shows that the # of births acclerated in years 10-30, then actually began to slow. This dosn't seem to make sense however, because population acclerates exponentially; 1 birth results in 2-3 births (total 4) in 15-25 years, resulting in 10-12 births in 15-25 years, and so on. My best guess! |
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