Creating Linear Models for Data

How old was George Washington? In this instructional activity, algebra learners create a scatterplot based on a set of famous people's actual age vs. the "guessed" age. A trend line is created, slope is computed, and an equation is created. Since each group should have slightly differnt graph, this instructional activity allows one to explore concepts about what different lines can show about trend. 

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8th - 9th
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