For a given scatter plot, there are two very different lines that could potentially model the data. What does this indicate?

Question

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There are outliers that should be removed
A non-linear model would be more appropriate
There is not a clear linear relationship
Both (b) and (c)

Answer 1

Both (b) and (c) - This indicates that there is not a clear linear relationship in the data and a non-linear model might be more appropriate.