Identify the potential outlier in the scatter plot. The standard deviation of the residuals or errors is approximately 8.6
82 are more than two standard deviations from 58 which makes coordinate as a potential outlier.
Given in the question is a graph
The outlier is clearly separated from the least-squares regression line in the question.
That is, the outlier on the graph is at point
Hence the predicted value is
It may be deduced that is units less than .
As a result, exceeds two standard deviations.
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