The director of an alumni association for a small college wants to determine whether there is any type of relationship between the amount of an alumnus€™s contribution (in dollars) and the years the alumnus has been out of school. The data follow.
Years and contribution data are as follows:

Find y€™ when x = 4 years.

Transcribed Image Text:

1 53 10 7 6 Years r Contribution y, S 500 100 300 50 75 80