Read the following description of a data set.
Rod Diamond is a singer who appeals to an older demographic. For a comedy segment on a late night show, he asked random people on the street how old they were and how many of his songs they could name, if any.
Rod noted the age of each person he spoke with, x, and the number of songs each could name, y.
The least squares regression line of this data set is:
y = 0.441x- 12.918
Complete the following sentence:
The least squares regression line predicts that if a person is one year older, they will able to name how many more songs.