I Many Business and Economic Time Series Have a Recurring

question 5

Multiple Choice

i. Many business and economic time series have a recurring seasonal pattern.
ii. One component of a time series is cyclical variation. An example of cyclical variation is the business cycle that consists of periods of prosperity followed by periods of recession, depression, and recovery.
iii. Episodic and residual variations can be projected into the future.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

---

Definitions:

Unsound

Refers to an argument that either has false premises or does not follow a logical structure, leading to an unreliable conclusion.

Disjunctive Syllogism

A type of deductive argument by elimination in which the premises present only two alternatives.

Deductive Arguments

A logical process where the conclusion is based on the concordance of multiple premises that are generally assumed to be true.

Valid

A term used in logic to describe an argument where if the premises are true, the conclusion must also be true.