Representing the Relationship Between Two Quantitative Variables

AP Statistics· difficulty 2/5

A scatterplot shows two distinct clusters of points.

x (units) y (units)

The clusters most likely indicate:

  • A

    Random scatter

  • B

    A perfect linear relationship

  • C

    A measurement error

  • D

    A lurking categorical variable distinguishing the two groups

    check_circle

Explanation

Distinct groups of points suggest a categorical variable not yet incorporated into the analysis.

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