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# Unit 6: Two-variable statistics

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Unit test

### Learn

### Practice

- Read two-way frequency tablesGet 3 of 4 questions to level up!
- Create two-way frequency tablesGet 3 of 4 questions to level up!

### Practice

- Analyze two-way frequency tablesGet 3 of 4 questions to level up!
- Create two-way relative frequency tablesGet 3 of 4 questions to level up!

### Practice

- Interpret two-way tablesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

### Learn

### Practice

- Eyeballing the line of best fitGet 3 of 4 questions to level up!
- Estimating slope of 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!
- Interpreting slope and y-intercept for linear modelsGet 3 of 4 questions to level up!

### Learn

### Practice

- Calculating and interpreting residualsGet 3 of 4 questions to level up!
- Residual plotsGet 3 of 4 questions to level up!

### Practice

- Correlation coefficient intuitionGet 3 of 4 questions to level up!

### Learn

### Practice

- Positive and negative linear associations from scatter plotsGet 3 of 4 questions to level up!
- Describing trends in scatterplotsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 720 Mastery points

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Level up on all the skills in this unit and collect up to 1,400 Mastery points!