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# Module 2: Descriptive statistics

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Creating dot plotsGet 3 of 4 questions to level up!

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Reading dot plots & frequency tablesGet 3 of 4 questions to level up!

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Create histogramsGet 3 of 4 questions to level up!

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Read histogramsGet 3 of 4 questions to level up!

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Creating box plotsGet 3 of 4 questions to level up!

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Reading box plotsGet 3 of 4 questions to level up!

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Shape of distributionsGet 3 of 4 questions to level up!

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Mean, median, and modeGet 5 of 7 questions to level up!

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Calculating the meanGet 3 of 4 questions to level up!

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Calculating the medianGet 3 of 4 questions to level up!

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Calculating the mean: data displaysGet 3 of 4 questions to level up!

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Calculating the median: data displaysGet 3 of 4 questions to level up!

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Effects of shifting, adding, & removing a data pointGet 3 of 4 questions to level up!

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Missing value given the meanGet 3 of 4 questions to level up!

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Comparing data distributionsGet 3 of 4 questions to level up!

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Comparing center and spreadGet 5 of 7 questions to level up!

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Mean absolute deviation (MAD)Get 3 of 4 questions to level up!

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

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Interquartile range (IQR)Get 3 of 4 questions to level up!

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Interpreting quartilesGet 3 of 4 questions to level up!

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Identifying outliersGet 3 of 4 questions to level up!

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Comparing distributionsGet 3 of 4 questions to level up!

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Comparing data displaysGet 3 of 4 questions to level up!

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Level up on the above skills and collect up to 500 Mastery points

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

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

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

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

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

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Trends in categorical dataGet 3 of 4 questions to level up!

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Level up on the above skills and collect up to 600 Mastery points

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Constructing scatter plotsGet 3 of 4 questions to level up!

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Positive and negative linear associations from 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!

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Describing trends in scatter plotsGet 3 of 4 questions to level up!

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Estimating equations of lines of best fit, and using them to make predictionsGet 3 of 4 questions to level up!

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Interpreting slope and y-intercept for linear modelsGet 3 of 4 questions to level up!

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Level up on the above skills and collect up to 600 Mastery points

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

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Residual plotsGet 3 of 4 questions to level up!

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Correlation coefficient intuitionGet 3 of 4 questions to level up!

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Level up on the above skills and collect up to 300 Mastery points

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