Module 6: Statistics

Topic A: Understanding distributions

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Representing data

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Frequency tables & dot plots

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Statistical questions

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Creating a histogram

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Interpreting a histogram

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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!

Statistical questionsGet 5 of 7 questions to level up!

Create histogramsGet 3 of 4 questions to level up!

Read histogramsGet 3 of 4 questions to level up!

Topic B: Summarizing a distribution that is approximately symmetric using the mean and mean absolute deviation

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Statistics intro: Mean, median, & mode

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Mean, median, & mode example

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Calculating the mean

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Missing value given the mean

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Mean as the balancing point

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Median & range puzzlers

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Impact on median & mean: removing an outlier

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Impact on median & mean: increasing an outlier

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Mean absolute deviation (MAD)

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Mean absolute deviation example

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Practice

Calculating the meanGet 3 of 4 questions to level up!

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

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

Median & range puzzlersGet 3 of 4 questions to level up!

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

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

Topic C: Summarizing a distribution that is skewed using the median and the interquartile range

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Interquartile range (IQR)

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Constructing a box plot

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Reading box plots

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Worked example: Creating a box plot (odd number of data points)

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Worked example: Creating a box plot (even number of data points)

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Interpreting box plots

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Practice

Calculating the medianGet 3 of 4 questions to level up!

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

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

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!