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### Automobile Mileage: Age vs. Mileage

In this lesson, students plot data about automobile mileage and interpret the meaning of the slope and *y*-intercept
of the least squares regression line. By examining the graphical
representation of the data, students analyze the meaning of the slope
and *y*-intercept of the line and put those meanings in the context of the real-life application.

The activity is very similar to that in Lesson Five of this Unit Plan. However, by graphing the data in a different format, the students will produce a line with a positive slope in this activity, while the line in Lesson Five had a negative slope. Doing both lessons allows students to investigate how changing the independent variable affects the resulting graph and equation.

### Trigonometry for Solving Problems

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### Rates and Taxes

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### Modeling Orbital Debris Problems

### Can You Picture It?

### Tally Time

### Class Attributes

### Another Look at the Set Model using Attribute Pieces

### Shrinking Candles, Running Water, Folding Boxes

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### Birthday Paradox

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