# Exploring bivariate numerical data

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Constructing scatter plots

4 questions

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Making good scatter plots

4 questions

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Positive and negative linear associations from scatter plots

7 questions

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Describing trends in scatter plots

7 questions

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Eyeballing the line of best fit

4 questions

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Estimating slope of line of best fit

4 questions

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Calculating and interpreting residuals

7 questions

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Calculating the equation of the least-squares line

4 questions

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Interpreting slope and y-intercept for linear models

7 questions

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About this unit

We use scatter plots to explore the relationship between two quantitative variables, and we use regression to model the relationship and make predictions. This unit explores linear regression and how to assess the strength of linear models.