Introduce the concept of a correlation coefficient using an interactive lesson. Learners begin by manipulating a correlation coefficient and watching a graph change to represent the new value. Questions help strengthen their understanding of positive and negative coefficients as well as the strength of the correlation.

Concepts

regression analysis, correlation, scatter plots

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Additional Tags

math

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Instructional Ideas

• Use the opening animation as a demonstration when introducing correlation coefficients
• Incorporate the challenge questions with a smart response system or similar online technology
  

Classroom Considerations

• Requires a free CK-12 account to access interactive resources
  

Pros

• Provides hints within the challenge questions with helpful explanations
• Allows learners to explore content at their own pace
  

Cons

• None

Common Core

8.SP.A.1 8.SP.A.2 HSS-ID.B.6.a HSS-ID.B.6.b HSS-ID.B.6.c HSS-ID.C.8