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Mathematics 10 Online
Hanna:

The given plot is a residual plot for a scatter plot. Is a linear model appropriate for the scatter plot? Why or why not? No, there is an obvious pattern in the plot. Yes, the points are scattered. Yes, there are no outliers. No, the plot contains outliers.

Hanna:

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justjm:

Clearly, the residuals are in a parabolic form. Parabolic residuals mean that the linear model is not appropriate for the scatterplot.

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