In a random walk model, the:
A) series itself is random
B) series itself is not random but its differences are random
C) series itself and its differences are random
D) series itself and its differences are not random

Question

Quizplus · Accepted Answer

In a random walk model, the series itself is not random, but the differences between consecutive terms are random, indicating that the changes from one term to the next are unpredictable.

In a Random Walk Model, The