Create and analyze two-way tables representing bivariate categorical data.
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Prior to this lesson, it may be valuable to review univariate data and representative samples from seventh gade. A good resource for this is Exercises 1–8 from EngageNY, Grade 8, Module 6, Lesson 13.
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A double bar graph and a segmented bar graph are shown below.
For each graph, name two things you notice and two things you wonder about.
Grade 8 Unit 6 Lesson 9 is made available by Open Up Resources under the CC BY 4.0 license. Copyright © 2017 Open Up Resources. Download for free at openupresources.org. Accessed April 20, 2018, 4:12 p.m..
A reporter in a small town polled some residents and asked them if they were in favor of increasing the minimum wage or against it. The two-way table summarizes the data.
In favor of increase | Against increase | TOTAL | |
16-30 years old | 42 | 16 | 58 |
31-50 years old | 28 | 36 | 64 |
TOTAL | 70 | 52 | 112 |
A student is investigating the favorite ice-cream flavors of girls and boys at school. She asks the following two questions to her classmates:
The results of the survey are as follows:
Grade 8 Mathematics > Module 6 > Topic D > Lesson 13 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
Modified by The Match Foundation, Inc.?
The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
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A random group of students are polled about how they get to school by walking, riding the bus, or carpooling.
Grade 8 Mathematics > Module 6 > Topic D > Lesson 13 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
Modified by The Match Foundation, Inc.?