Modeling with data the number of people in millions


Question: MODELING WITH DATA The number of people (in millions) enrolled in HMOs from 1994 through 2002 is given in the following table:

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a. Use QuartReg to find a fourth-degree polynomial regression model for this data. Let t = 0 correspond to 1994.

b. Use the model to estimate the number of people enrolled in HMOs in 2000. How does this number compare with the actual number?

c. How fast was the number of people receiving their care in an HMO changing at the beginning of 2001?

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Mathematics: Modeling with data the number of people in millions
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