1. Lesson 3

1.4. Explore 3

Mathematics 30-3 Module 3

Module 3: Algebra

 

From Try This 2 you should have discovered that the

  • strongest correlation occurs when the points of the scatterplot lie along a straight line

    This scatterplot has all points on a line rising from lower left to upper right. This scatterplot shows a strong positive correlation. This scatterplot has all points on a line falling from upper left to lower right. This scatterplot shows a strong negative correlation.
  • weakest correlation or no correlation occurs when the points are scattered without evidence of a trend

    This illustration shows a scatterplot with points placed randomly. This scatterplot shows no correlation.