Question

multiple choice:a) increase, decrease, stay the sameb)a positive, a negative, noc) 18 miles per gallon, 22miles per gallon, 26 miles per gallon, 30 miles per gallon, 38 miles per gallon.

Answer 1

The Solution:

From the given graph, we can see that:

(a) as weight increases, fuel efficiency tends to decrease.

(b) There is a negative correlation between weight and fuel efficiency.

(c) Using the given line of best fit, we would predict that a vehicle weighing 3000 pounds would have fuel efficiency of approximately 30 miles per gallon.