THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 52

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A market researcher is interested in the average amount of money spent per year by college students on clothing.From 25 years of annual data,the following estimated regression was obtained through least squares:
y_t = 48.75 +
+
+
where the numbers in parentheses below the coefficients are the coefficient standard errors,and
y = Expenditure per student,in dollars,on clothes
x₁ = Disposable income per student,in dollars,after the payment of tuition,fees,and room and board.
x₂ = Index of advertising,aimed at the student market,on clothes
-Test the hypotheses H₀ : There is no autocorrelation vs.H₁ : There is autocorrelation,given that: Durbin-Watson Statistic d = 1.89,n = 28,k = 3,and α = 0.01

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Definitions:

Duty to Serve

An obligation requiring entities (often utilities or public services) to provide service to all customers or members of the public within their operational area.

Duty to Have

An obligation or requirement to possess something, often related to legal, regulatory, or professional standards.

Partnership Agreement

A legal document that outlines the rights, responsibilities, and profit-and-loss distribution among partners in a business partnership.

Division of Profits

The allocation of a company's net profits among its shareholders or partners.