Question: In problem 12.6 on page 466, a professor wanted to estimate the spending of his students based upon their weekly income. a. Is it necessary

In problem 12.6 on page 466, a professor wanted to estimate the spending of his students based upon their weekly income.

a. Is it necessary to calculate the Durbin–Watson statistic?

Explain.

b. Under what circumstances is it necessary to calculate the Durbin–Watson statistic before proceeding with the leastsquares method of regression analysis?

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