Introducing Statistics: Do Those Points Align?

AP Statistics· difficulty 2/5

Residuals from a regression appear to be patterned over time (data collected sequentially).

Residuals over Time time

Which condition is potentially violated?

  • A

    Independence

    check_circle
  • B

    Linearity

  • C

    Equal variance

  • D

    Random sampling

Explanation

A pattern in residuals over time suggests serial correlation, violating the independence condition.

Want 10 more like this — adaptive to your weak spots?

Related questions