Question

suppose the linear regression line y= 2.4x + 3.1 predicts the time,in minutes it takes you to be served at a food stand if there are x people in line ahead of you. About how much time would it take you to be served if there are 3 people in line ahead of you?

Answer 1

10.3

Explanation:

Answer 2

Just substitute "x" with "3".

Explanation:

y = 2.4x + 3.1

y = 2.4(3) +3.1

y = 7.2 + 3.1

y= 10.3

Answer: 10.3 minutes