Education Technology

It's a Two-Way Street

Published on 07/01/2010

Activity Overview

In this activity, students will be introduced to two-way tables. They will calculate marginal and conditional distributions using formulas in a spreadsheet. This activity is intended to be followed up with teacher discussion and student interpretation of the calculations. An additional data set is provided for students to use for homework.

Key Steps

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    Students are given a two-way table and asked to calculate marginal distributions based on each category. They may need further explanation that marginal and conditional distributions are percentages determined by the variable in question.