This is similar to a problem in the textbook. Year 1950 1960 1970 1980 1990 Rate of change (million people per year) 32 49 56 79 92 The table shows growth rates for a population over time. Use this data to sketch a smooth curve relating the two variables. Draw rectangles on this graph to help you underestimate the total change in the world's population between 1950 and 1990. What underestimate did you obtain? million people Draw rectangles on this graph to help you overestimate the total change in the world's population between 1950 and 1990. What overestimate did you obtain? # million people If the population in 1950 were 2351 million and if the population in 1990 were 4813 million, what would be the true total change in population? million people

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