7
QuizMultiple Choice

Scatterplots

Question 7 • AZ-Common Core Algebra II B

Choose the correct statement about best-fit lines.

Answer
A
A best-fit line is close to most of the data points.
B
A best-fit line describes the exact coordinates of each point in the data set.
C
A best-fit line always has a positive slope.
D
A best-fit line must go through at least two of the data points.

Explanation

A best-fit line represents the overall trend in a scatter plot and is close to most of the data points. It does not need to pass through every point or any particular number of points, and its slope can be positive, negative, or zero. So the correct statement is “A best-fit line is close to most of the data points.”

AI-written and checked against the verified answer.

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