Read the following description of a data set.

Question

Kira is an aspiring journalist who writes a music blog. In her latest post, she examined how critical acclaim and commercial success were related for recently released albums. To judge critical acclaim, she looked up the albums on a site that combines ratings from multiple critics into a single number from 0 to 100.
Kira recorded the score, x, and the sales, y, of each album.
The least squares regression line of this data set is:
y=2978.171x–140,381.635
Complete the following sentence:
For each additional point in an album's score, the least squares regression line predicts that its sales would increase by
.

Answer 1

For each additional point in an album's score, the least squares regression line predicts that its sales would increase by 2978.171.