year | 1000 BC |
0 AD |
1000 AD |
1400 AD |
1750 AD |
1850 AD |
1950 AD |
1970 AD |
1980 AD |
1990 AD |
2007 AD |
human popn. size (millions) |
50 | 200 | 300 | 380 | 790 | 1260 | 2520 | 3690 | 4430 | 5260 | 6600 |
The table above contains data on human population growth over the last 3,000 years. At right, this data is plotted on an ordinary graph. Because the data spans many orders of magnitude, the graph looks kind of empty. This is a good candidate for log transformation — can you correctly place the points for the last 3000 years on the semi-log paper below?