Two-Way Tables
by Anonymous
Change the counts of gender × favorite animal in a two-way table to see how marginal totals and relative frequencies are linked.
About this app
Two-Way Tables is an interactive statistics learning app for exploring the relationship between gender and favorite animals. Edit the four frequency cells and see row totals, column totals, and the grand total update automatically. Then compare relative frequencies based on the whole table, rows, or columns, and practice choosing the correct percentage in short challenges.
Use cases
- Middle school students learning two-way tables and relative frequency
- Teachers demonstrating marginal totals and percentage bases
- Learners exploring possible associations between two categorical variables
- Students practicing percentage calculations from frequency tables
Features
- Editable four-cell gender-by-animal frequency table
- Automatic row, column, and grand-total calculations
- Relative frequency views for the whole table, by row, and by column
- Guided missions covering totals, equal rows, empty columns, and a 50% cell
- Four-question percentage challenge with answer feedback and streak tracking