The correct response is:
Every month, a dog averages a gain of 4.67 pounds.
This is based on the interpretation of the slope of the linear model, which indicates the rate of change in weight for each month as described by the ordered pair (9,42). The y-intercept of (0,0) indicates that a dog weighs 0 pounds at birth.
Scatter Plots & Data Analysis Unit Test
9 of 159 of 15 Items
Question
Use the image to answer the question.
A veterinarian collected data on the average weight of dogs by age in months. Interpret the slope and the y -intercept (0,0) of the linear model, using the ordered pair (9,42) . Round the slope to the nearest hundredth.
(1 point)
Responses
Every month, a dog averages a gain of 4.67 pounds
Every month, a dog averages a gain of 4.67 pounds
Every month, a dog averages a gain of 0.21 pounds and weighs 0 pounds at birth.
Every month, a dog averages a gain of 0.21 pounds and weighs 0 pounds at birth.
Every month, a dog averages a gain of 4.3 pounds and weighs 0 pounds at birth.
Every month, a dog averages a gain of 4.3 pounds and weighs 0 pounds at birth.
Every 4.67 months, a dog averages a gain of 1 pound and weighs 0 pounds at birth.
1 answer