Use the data in CONSUMP.XLS and statistical software to run the following regression: (A) Plot the error

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Use the data in CONSUMP.XLS and statistical software to run the following regression:

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(A) Plot the error terms over time. Do you suspect serial correlation? Explain.
(B) Plot the error terms against their lagged values. Do you suspect serial correlation? Explain.
(C) Perform a Durbin-Watson test. Show the five-step procedure.

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