Posted by **Erika** on Sunday, November 7, 2010 at 10:10pm.

Year 1960 1970 1980 1990 2000

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

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