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This Describing the Center of a Distribution lesson plan also includes:
- Descriptive Statistics - Module Overview (PDF)
- Descriptive Statistics - Module Overview (Doc)
- Describing the Center of a Distribution (Doc)
- Describing the Center of a Distribution (PDF)
- Describing the Center of a Distribution (Doc)
- Algebra I Module 2, Topic A, Overview
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So the mean is not always the best center? By working through this exploratory activity, the class comes to realize that depending upon the shape of a distribution, different centers should be chosen. Learners continue to explore the relationship between the shape of the distribution and the position of the mean and median.
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CCSS:
Designed
Concepts
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Instructional Ideas
- Consider projecting the worksheet and having the class contribute to answer the questions together
- Dot plots can be made on large sticky notes or on the board for all to use
Classroom Considerations
- Second of a 20-lesson module
Pros
- Provides the connection between prior knowledge of measures of center and the current concept
- Explicitly connected to the modeling cycle from Common Core state standards is explicitly connected
- An exit ticket serves as a formative assessment to determine understanding of describing the center of a distribution
Cons
- None