Answer: a residual plot is given. From the residual plot,

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QUESTION:

What does it mean if a linear correlation coefficient is close to zero? Draw two scatter diagrams for which the linear correlation coefficient is close to zero.

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QUESTION:

What does it mean if a linear correlation coefficient is close to zero? Draw two scatter diagrams for which the linear correlation coefficient is close to zero.

ANSWER:

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(a)

We are asked to determine whether or not a linear model appropriate for a given below residual p

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