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# Data and statistics

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Representing dataFrequency tables & dot plots

Practice

Data set warm-upGet 5 of 7 questions to level up!

Creating frequency tablesGet 3 of 4 questions to level up!

Creating dot plotsGet 3 of 4 questions to level up!

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

Estimate center using dot plotsGet 3 of 4 questions to level up!

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Statistical questions

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Statistical questionsGet 5 of 7 questions to level up!

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Creating a histogramInterpreting a histogram

Practice

Create histogramsGet 3 of 4 questions to level up!

Read histogramsGet 3 of 4 questions to level up!

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Statistics intro: Mean, median, & modeMean, median, & mode exampleCalculating the mean

Practice

Calculating the meanGet 3 of 4 questions to level up!

Calculating the medianGet 3 of 4 questions to level up!

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

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

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Missing value given the meanMean as the balancing pointImpact on median & mean: removing an outlierImpact on median & mean: increasing an outlierMedian & range puzzlers

Practice

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

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

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Interquartile range (IQR)

Practice

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

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Reading box plotsConstructing a box plotWorked example: Creating a box plot (odd number of data points)Worked example: Creating a box plot (even number of data points)Interpreting box plots

Practice

Reading box plotsGet 3 of 4 questions to level up!

Creating box plotsGet 3 of 4 questions to level up!

Interpreting quartilesGet 3 of 4 questions to level up!

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Mean absolute deviation (MAD)Mean absolute deviation example

Practice

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

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Comparing dot plots, histograms, and box plots

Practice

Comparing data displaysGet 3 of 4 questions to level up!

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Shapes of distributionsClusters, gaps, peaks & outliers

Practice

Shape of distributionsGet 3 of 4 questions to level up!

Clusters, gaps, peaks, & outliersGet 5 of 7 questions to level up!