## Algebra I Module 2, Topic C: Categorical Data on Two Variables

Classroom Resource Information

Title:

Algebra I Module 2, Topic C: Categorical Data on Two Variables

URL:

https://www.engageny.org/resource/algebra-i-module-2-topic-c-overview

Content Source:

EngageNY
Type: Lesson/Unit Plan

Overview:

In Module 2, 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.

Content Standard(s):
 Mathematics MA2015 (2016) Grade: 9-12 Algebra I 44 ) Summarize categorical data for two categories in two-way frequency tables. Interpret relative frequencies in the context of the data (including joint, marginal, and conditional relative frequencies). Recognize possible associations and trends in the data. [S-ID5] Alabama Alternate Achievement Standards AAS Standard: M.AAS.SP.HS.44- Calculate the mean of a given data set (number of data points limited to fewer than five, values of less than 10).
Tags: associations, categorical data, causation, correlation, relative frequencies, trends, twoway frequency tables
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There are three lessons on this topic.

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