An official website of the United States government

# Two-Way Tables — Walking and Bicycling to Work

### Activity Description

Students will use data from the U.S. Census Bureau to compare how men and women in two cities used nonmotorized transportation to get to work. Students will calculate relative frequencies and conditional relative frequencies from data in two-way tables.

8

60-120 minutes

### Learning Objectives

• Students will be able to interpret two-way tables containing data on two categorical variables collected from the same subjects.
• Students will be able to describe possible associations between two categorical variables by calculating relative frequencies and conditional relative frequencies.

### Materials Required

• The student version of this activity, 8 pages
• Calculators

## Teacher Notes

#### Blooms Taxonomy

Analyzing

Students will analyze two-way tables containing data on two categorical variables.

#### Subject

Middle School Math

#### Topics

• Two-way tables

#### Skills Taught

• Reading and interpreting data in two-way tables
• Calculating relative frequencies and conditional relative frequencies

Top