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Read the following description of a data set. $\newline$ 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: $y = 4.322x - 44.248$ $\newline$ Complete the following sentence: $\newline$ For each additional fiction book a library member borrowed last month, the least squares regression line predicts they borrowed ____ additional nonfiction books.

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Interpret regression lines

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Q. Read the following description of a data set.

\newline

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 = 4.322x - 44.248

\newline

Complete the following sentence:

\newline

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

Identify Coefficient: Identify the coefficient of $x$ in the regression equation to determine the change in nonfiction books borrowed for each additional fiction book borrowed.

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