Question

Question
A veterinarian collected data on the association between age and mass of Boxer puppies. A line of best fit was computed. The equation for the line is: y = 17.5x + 480.



Which BEST interprets the slope of the linear model?

(1 point)
Responses

Every 17.5 days is associated with an additional 480 grams of mass.
Every 17.5 days is associated with an additional 480 grams of mass.

Each additional day is associated with an additional 17.5 grams of mass.
Each additional day is associated with an additional 17.5 grams of mass.

Each additional day is associated with an additional 480 grams of mass
Each additional day is associated with an additional 480 grams of mass

The predicted mass of a Boxer puppy at birth.
The predicted mass of a Boxer puppy at birth.
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Answer 1

The correct interpretation of the slope \( 17.5 \) in the linear model \( y = 17.5x + 480 \) is:

**Each additional day is associated with an additional 17.5 grams of mass.**

This means that for every day that passes, the mass of the Boxer puppy is predicted to increase by 17.5 grams.