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Aleks [24]
3 years ago
13

The relationship between population (y) and year (x) was determined to be exponential. The least-squares regression equation of

the appropriately transformed data (x, log y) wasY-hat equals point five plus point zero zero four X What would be the predicted population in the year 1990 (there was no transformation on the year - that is, x=0 corresponds to the year 0)?
Mathematics
1 answer:
Nastasia [14]3 years ago
7 0
Y-hat = log y = 0.5 + 0.004 x

x = 1990 => log y = 0.5 + 0.004 (1990) = 8.46

log y = 8.46 => y = 10^8.46 = 288,403,150

Answer: 288,403,150
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