Define categorical and numerical data. Create two-way tables to organize bivariate categorical data.
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A sandwich shop owner asked the following statistical question:
“When do people buy sandwiches?”
He then thought a little more and decided he wanted more information about that question:
“Is there a relationship between when people buy sandwiches and the type of sandwich they buy?”
Which of these two situations discusses one variable, and which discusses two variables?
The sandwich shop owner collected some data but did not take your advice for organizing it. Here’s what he recorded:
Organize this information for the sandwich shop owner so he has a better understanding of the data he has collected.
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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 survey asked the question, “How tall are you to the nearest inch?” A second question on this survey asked, “What sports do you play?” Indicate what type of data (numerical or categorical) would be collected from the first question. What type of data would be collected from the second question?
Algebra I > Module 2 > Topic C > Lesson 9 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..
Another random sample of 100 surveys was selected. Jill had a copy of the frequency table that summarized these 100 surveys. Unfortunately, she spilled part of her lunch on the copy. The following summaries were still readable:
Algebra I > Module 2 > Topic C > Lesson 9 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..