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Mathematics, 05.10.2019 00:30 skrska

What does a residual value of 1.3 mean when referring to the line of best fit of a data set?

a data point is 1.3 units above the line of best fit.
a data point is 1.3 units below the line of best fit.
the line of best fit has a slope of –1.3
the line of best fit has a slope of 1.3.

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What does a residual value of 1.3 mean when referring to the line of best fit of a data set?
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