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# Unit: Module 2: Descriptive statistics

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### Learn

### Practice

- Creating dot plotsGet 3 of 4 questions to level up!
- Reading dot plots & frequency tablesGet 3 of 4 questions to level up!
- Create histogramsGet 3 of 4 questions to level up!
- Read histogramsGet 3 of 4 questions to level up!

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### Practice

- Creating box plotsGet 3 of 4 questions to level up!
- Reading box plotsGet 3 of 4 questions to level up!
- Shape of distributionsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 560 Mastery points

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### Practice

- Mean, median, and modeGet 5 of 7 questions to level up!
- Calculating the meanGet 3 of 4 questions to level up!
- Calculating the medianGet 3 of 4 questions to level up!

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### Practice

- Calculating the mean: data displaysGet 3 of 4 questions to level up!
- Calculating the median: data displaysGet 3 of 4 questions to level up!
- Effects of shifting, adding, & removing a data pointGet 3 of 4 questions to level up!
- Missing value given the meanGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 560 Mastery points

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### Practice

- Comparing data distributionsGet 3 of 4 questions to level up!
- Comparing center and spreadGet 5 of 7 questions to level up!
- Mean absolute deviation (MAD)Get 3 of 4 questions to level up!

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### Practice

- Sample and population standard deviationGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

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### Practice

- Interquartile range (IQR)Get 3 of 4 questions to level up!
- Interpreting quartilesGet 3 of 4 questions to level up!
- Identifying outliersGet 3 of 4 questions to level up!

### Learn

### Practice

- Comparing distributionsGet 3 of 4 questions to level up!
- Comparing data displaysGet 3 of 4 questions to level up!

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

### Learn

### Practice

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

### Learn

### Practice

- Interpret two-way tablesGet 3 of 4 questions to level up!
- Trends in categorical dataGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

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### Practice

- Constructing scatter plotsGet 3 of 4 questions to level up!
- Positive and negative linear associations from scatter plotsGet 3 of 4 questions to level up!

### Learn

### Practice

- Eyeballing the line of best fitGet 3 of 4 questions to level up!
- Describing trends in scatter plotsGet 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!

Level up on the above skills and collect up to 480 Mastery points

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### Practice

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

### Learn

### Practice

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

Level up on the above skills and collect up to 240 Mastery points

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Level up on all the skills in this unit and collect up to 3800 Mastery points!