The Ballard toy company is testing the usability of its new spinning top among different age groups. Ethan, a designer at the company, gave the tops to a group of children of different ages and had each child spin a top once.
Ethan recorded the age of each child, x, and how long he or she got the top to spin (in seconds), y.
The least squares regression line of this data set is:
y=1.726x+48.252
Complete the following sentence:
If a child were one year older, the least squares regression line predicts that he or she would be able to make the top spin for additional seconds.