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Learning Goal

Part of: Interpret linear models — 2 of 3 cluster items

Compute and interpret the correlation coefficient

HSS.ID.C.8

**HSS.ID.C.8**: Compute (using technology) and interpret the correlation coefficient of a linear fit.

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HSS.ID.C.8: Compute (using technology) and interpret the correlation coefficient of a linear fit.

What you'll learn

  1. State that the correlation coefficient r measures the strength and direction of a linear association on a scale from -1 to +1
  2. Compute r using a calculator or spreadsheet
  3. Interpret the sign of r as direction and the magnitude as strength, and match r values to scatter-plot appearance
  4. Recognize that r measures only linear association and does not establish causation

Slides

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15

Computing And Interpreting The Correlation Coefficient

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Slide Video

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15

Computing And Interpreting The Correlation Coefficient

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