Which Assumption Is Most Likely to Be Violated with Times $\sigma$

question 19

Multiple Choice

Which assumption is most likely to be violated with times series data:

• A)E(e_t)=0
• B)var (e_t)=\(\sigma\)²
• C)cov(e_t,e_s)=0,t≠s
• D)e_t N(0,\(\sigma\)²)

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Definitions:

Linguistic-Relativity Hypothesis

The theory that the structure of a language affects its speakers' world view or cognition, sometimes called the Sapir-Whorf hypothesis.

Name Calling

The use of offensive or derogatory words aimed at belittling or insulting someone.

Number of Choices

Refers to the options available to an individual or system for decision-making, influencing cognitive processing and outcomes.

Barry Schwartz

An American psychologist famous for exploring the social and psychological effects of free choice.