Algebra I Module 2, Topic C, Overview

Two Students Studying

In Topic C, students reconnect with previous work in Grade 8 involving categorical data.  Students use a two-way frequency table to organize data on two categorical variables.  Students calculate the conditional relative frequencies from the frequency table.  They explore a possible association between two categorical variables using differences in conditional, relative frequencies.   Students also come to understand the distinction between association between two categorical variables and a causal relationship between two variables.  This provides a foundation for work on sampling and inference in later grades.

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Common Core Learning Standards

CCLS State Standard
S.ID.5 Summarize categorical data for two categories in two-way frequency tables. Interpret relative...
S.ID.9 Distinguish between correlation and causation.

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