NOTE: this sketch may work better downloaded and run in ggb than in the student worksheet (online version). #GGBchat 4: Q4a: Try this basic 2-var tools or watch this [url]http://tinyurl.com/twovarmov [/url] Q4b: What questions could you ask a S from this type of visualization? @a_mcsquared A4b: Which is the best model, linear or quadratic?
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