Question

or
Read the following description of a data set.
To help plan book acquisitions for the next year, a public library collected data on a sample of its active members.
For each member in the sample, the library recorded the number of fiction books, x, and the number of nonfiction books, y, borrowed last month.
The least squares regression line of this data set is:
y=3.158x–17.259
Complete the following sentence:
For each additional fiction book a library member borrowed last month, the least squares regression line predicts they borrowed
additional nonfiction books.

Answer 1

For each additional fiction book a library member borrowed last month, the least squares regression line predicts they borrowed **3.158** additional nonfiction books.