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Applied Calculus 5th Edition by Brad G. Osgood, Brigitte Lahme, Adam H. Speigler, William G. McCallum, Selin Kalaycýoðlu, Karen R. Rhea, Guadalupe I. Lonzano, Eric Connally, Douglas Quinney, David Lovelock, Daniel E. Flath, Andrew M. Gleason, Patti Frazer Lock, Deborah Hughes-Hallett

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7.1 DENSITY FUNCTIONS

Understanding the distribution of various quantities through the population can be important to decision makers. For example, the income distribution gives useful information about the economic structure of a society. In this section we look at the distribution of ages in the US. To allocate funding for education, health care, and social security, the government needs to know how many people are in each age group. We see how to represent such information by a density function.

US Age Distribution

Table 7.1 Distribution of ages in the US in 2000

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Figure 7.1: How ages were distributed in the US in 2000

Suppose we have the data in Table 7.1 showing how the ages of the US population1 were distributed in 2000. To represent ...

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