Reflection: Developing a Conceptual Understanding Categorically Quantified - Section 2: Put it into Action

The most common misunderstanding by far for this part of the lesson was for students to combine two columns of data in a comparison rather than simply summarizes one set of data.  I thought that my explicit instructions to just look at each column of data separately and not to look at how many shoes by gender, for example, was sufficient, but judging by the number of teams who tried comparisons they needed more direction.  I redirected most of the teams while they were working with leading questions like "Which column are you trying to summarize?" or "Are you summarizing or comparing data?".  The team I chose not to redirect had one of my most confident students, whom I knew would not become upset at completing the assignment partially incorrectly.  Letting that team share their data summaries gave me the opportunity to facilitate a whole-class discussion about the difference between summarizing one data set and comparing two.

student understanding of "summary"
Developing a Conceptual Understanding: student understanding of "summary"

Categorically Quantified

Unit 11: Statistics
Lesson 2 of 17

Big Idea: What kind of data do I have and what can I do with it? Figure out how to work with both qualitative and quantitative data sets.

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Subject(s):
Math, Statistics, Algebra II, master teacher project, 11th Grade
60 minutes