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Unit 5: Exploring bivariate numerical data
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About this unit
Scatter plots are a handy tool that allow us examine how two sets of quantitative data are—or aren't—correlated with one another. Learn how to set up a scatter plot, and how to measure the degree of correlation between two data sets through the process of linear regression.Learn
Practice
- Constructing scatter plotsGet 3 of 4 questions to level up!
- Making appropriate scatter plotsGet 3 of 4 questions to level up!
- Positive and negative linear associations from scatter plotsGet 3 of 4 questions to level up!
- Describing trends in scatter plotsGet 3 of 4 questions to level up!
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- Eyeballing the line of best fitGet 3 of 4 questions to level up!
- Estimating equations of lines of best fit, and using them to make predictionsGet 3 of 4 questions to level up!
- Estimating slope of line of best fitGet 3 of 4 questions to level up!
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- Calculating and interpreting residualsGet 3 of 4 questions to level up!
- Calculating the equation of the least-squares lineGet 3 of 4 questions to level up!
- Interpreting slope and y-intercept for linear modelsGet 3 of 4 questions to level up!
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- Residual plotsGet 3 of 4 questions to level up!
- Effects of influential pointsGet 3 of 4 questions to level up!
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