Linear Regression Models

AP Statistics· difficulty 2/5

A regression predicts calories from grams of fat in fast-food items.

Predicting calories from grams of fat y-hat = 200 + 9 x x in grams of fat y in calories

Predict calories for an item with 15 grams of fat.

  • A

    215

  • B

    200

  • C

    415

  • D

    335

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Explanation

y-hat = 200 + 9(15) = 200 + 135 = 335 calories.

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