Question

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

Explanation:

The residual is the difference between the observed value of a data - point and the value predicted by the line of best fit. A positive residual means the observed data - point is above the line of best fit. Since the residual value is 1.3 (positive), the data point is 1.3 units above the line of best fit.

Answer:

A. A data point is 1.3 units above the line of best fit.