Mean and Median
by Anonymous
Move seven friends' allowances to see why one huge value sends the mean soaring while the median barely budges.
About this app
Mean and Median is an interactive data-literacy activity built around the weekly pocket money of seven friends. Adjust individual values to see how the mean changes while the median can remain stable, then choose which measure better represents different data sets. Four missions in each of three tabs reinforce the effects of equal sharing, outliers, and clustered values.
Use cases
- Students learning mean and median
- Teachers introducing data literacy and statistics
- Families discussing averages and outliers
- Learners practicing critical thinking about representative values
Features
- Adjust one friend’s value with plus and minus controls
- Complete missions to create target means and distributions
- Compare the mean and median with visual markers
- Explore how one unusually large or small value affects the mean
- Choose whether the mean or median better describes example data
- Reset activities and progress through multiple scenarios