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What does a residual value of 4. 5 mean in reference to the line of best fit? The data point is 4. 5 units above the line of best fit. The data point is 4. 5 units below the line of best fit. The line of best fit is not appropriate to the data. The line of best fit has a slope of 4. 5.

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A line of best fit is a line drawn at average distance to a series of scattered points. Thus, the correct option is:

Option B. The data point is 4. 5 units below the line of best fit.

A graph is said to be formed by plotted points on a Cartesian coordinate plane. When the plotted points are scattered, a line of best fit is required to shoe the relationship among the plotted points.

A residual value is a form of error that is determined from the line of best fit. A line of best fit is a line drawn at average point to a series of plotted scattered points.

Therefore, a residual value of 4.5 with respect to a line of best fit implies that: The data point is 4. 5 units below the line of best fit.

Thus the correct option is B.

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