Line-of-best-fit Definition

noun
(mathematics): A line on a scatter plot that best defines or expresses the trend shown in the plotted points. It is chosen so that the sum of the squares of the distances from the points to the line is a minimum. It also illustrates the correlation (positive, negative, or zero (no) correlation) between the plotted variables.
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Other Word Forms of Line-of-best-fit

Noun

Singular:
line-of-best-fit
Plural:
lines of best fit

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