We record data on the population of a particular country from 1960 to 2010. A scatterplot reveals a clear curved relationship between population and year. However, a different scatterplot reveals a strong linear relationship between the logarithm

(base 10) of the population and the year. The leastsquares regression line for the transformed data is log (population) = −13.5 + 0.01(year)

Based on this equation, the population of the country in the year 2020 should be about

(a) 6.7.

(c) 5,000,000.

(e) 8,120,000.

(b) 812.

(d) 6,700,000.