Residuals

AP Statistics· difficulty 2/5

For the line y-hat = 10 + 3x with observation (x=4, y=20).

y-hat = 10 + 3x; observation (x=4, y=20) Predicted: 10 + 3(4) = 22 Observed: 20

What is the residual?

  • A

    20

  • B

    22

  • C

    -2

    check_circle
  • D

    2

Explanation

Residual = observed - predicted = 20 - 22 = -2.

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