A Regression Analysis Is Assumed to Be Free of Serial

question 28

Multiple Choice

A regression analysis is assumed to be free of serial correlation when the Durbin-Watson statistic for the regression is approximately equal to:

• A) -2.
• B) 2.
• C) 1.
• D) -1.
• E) 0.

---

Definitions:

Population Mean

The average value of a property of the members of a population, which is a comprehensive collection of individuals or objects studied.

Null Hypothesis

A statement used in statistical testing that proposes there is no significant effect or difference, and any observed variation is due to chance.

Power of a Test

The power of a test refers to the probability that the test correctly rejects a false null hypothesis, essentially measuring the test's ability to detect an effect or difference when there is one.

Rejecting

The act of dismissing the null hypothesis when the evidence suggests it's unlikely to be true.