Year 1960 1970 1980 1990 2000

Question

Rate 39 59 64 89 106
of change
(million
people per
year)
Use this data to sketch a graph like that in Figure 5.2 on page 238.
Draw rectangles on this graph (as in Figure 5.2) to help you underestimate the total change in the world's population between 1960 and 2000. What underestimate did you obtain?
million people
Draw rectangles on this graph (as in Figure 5.2) to help you overestimate the total change in the world's population between 1960 and 2000. What overestimate did you obtain?
million people
If the population in 1960 were 2696 million and if the population in 2000 were 5670 million, what would be the true total change in population?
million people