The 4th line is the line of best fit for this given scatter plot.
What is a scatter plot?
"A scatter plot is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data. If the points are coded, one additional variable can be displayed."
Here, 4 different lines are drawn for a given scatter plot.
We know, a line drawn on a scatter plot fits it the best is the line that is closer to most of the points.
Here, the 4th line is closer to most of the points on the scatter plot.
Therefore, 4th line is the best fit.
Learn more about scatter plot here: https://brainly.com/question/19741330
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