In previous lessons, students have been exposed to language like, “As the independent variable increases, the dependent variable tends to decrease.” In this lesson they focus on this language in earnest (MP6). Students also interpret the slopes of fitted lines in context (MP2) and identify positive and negative associations of scatter plots without a fitted line shown (MP7).
- Describe (orally and in writing) the relationship between two variables using a line fit to data on a scatter plot.
- Interpret (orally and in writing) points on the scatter plot, including points that do and do not lie on a line fit to the data.
- Interpret (orally and in writing) the slope of a line fit to data in context.
Let's look at how changing one variable changes another.
- I can use the slope of a line fit to data in a scatter plot to say how the variables are connected in real-world situations.
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