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Question
The residual plot for a linear regression model is shown below. Assess the fit of the linear model, justify your answer.
(1 point)
Responses
The line is a good fit because the points on the residual plot have a clear pattern.
The line is a good fit because the points on the residual plot have a clear pattern.
The line is not a good fit because the points on the residual plot do not have any noticeable pattern.
The line is not a good fit because the points on the residual plot do not have any noticeable pattern.
The line is a good fit because the points on the residual plot do not have any noticeable pattern.
The line is a good fit because the points on the residual plot do not have any noticeable pattern.
The line is not a good fit because the points on the residual plot have a clear pattern.
The line is not a good fit because the points on the residual plot have a clear pattern.
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The correct answer is: The line is not a good fit because the points on the residual plot have a clear pattern.
A good fit in linear regression is indicated by a random scatter of points around the horizontal axis in the residual plot, showing that the model captures the variability in the data. If there is a clear pattern in the residual plot, it suggests that the model is not able to fully explain the variability in the data points.