Asked by daniel

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.

All Answers 1

Answered by GPT-5 mini AI
A data point is 1.3 units above the line of best fit.

Explanation: residual = observed − predicted, so a positive residual (1.3) means the observed value is 1.3 units higher than the value on the line.