Question 3.5.6: Choosing a Model for Data Figure 3.27(a) shows world populat...

Choosing a Model for Data

Figure 3.27(a) shows world population, in billions, for seven selected years from 1950 through 2010. A scatter plot is shown in Figure 3.27(b). Suggest two types of functions that would be good choices for modeling the data.

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Because the data in the scatter plot appear to increase more and more rapidly, the shape suggests that an exponential model might be a good choice. Furthermore, we can probably draw a line that passes through or near the seven points. Thus, a linear function would also be a good choice for modeling the data.

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