While attempting to measure its risk exposure for the upcoming year, an insurance company notices a trend between the age of a customer and the number of claims per year. It appears that the number of claims keep going up as customers age. After performing a regression, they find that the relationship is (claims per year) = 0.32*(age) + 6.6. If a customer is 40 years old and they make an average of 10.91 claims per year, what is the residual?

Question 9 options:

1)-8.49

2)29.09

3)20.6

4)8.49

5)-29.09