Which of the Following Statements About Autocorrelation Are True

question 48

Multiple Choice

Which of the following statements about autocorrelation are true?
I. Successive residuals are often correlated in time series because an event in one time period often influences the event in the next period.
II. If residuals are correlated,we can use r as the coefficient of correlation and conduct the common tests of hypothesis about regression coefficients.
III. A Durbin-Watson statistic d is used,instead of directly conducting a hypothesis test on r.

• A)I only
• B)II only
• C)II and III
• D)I and III

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Definitions:

Labour Market

The supply and demand dynamics of available work and workers within an economy, often influenced by factors such as skills, wages, and employment laws.

Collective Bargaining

The process through which employers and labor unions negotiate contracts that determine conditions of employment, including wages, hours, and workplace policies.

Public Sector

The portion of the economy composed of government services and public enterprises.

Pay Increases

Adjustments made to an employee's base salary to reflect changes in performance, market conditions, or cost of living.