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Home > CCA > Chapter 7 > Lesson 7.1.3 > Problem 7-39

7-39.
  1. The winning times for various swim meets at Smallville High School were compared to the height of the swimmer. The residual is shown at right. Homework Help ✎

    1. Sketch what the original scatterplot may have looked like.

    2. What does the residual plot tell you about predictions made for swimmers that are shorter compared to swimmers that are taller?

According to the graph, have predictions gotten closer to the actual values, or further away?