Seasonal or Cyclical Variation in a Time Series Model

question 35

Multiple Choice

Seasonal or cyclical variation in a time series model

• A)is regular in nature and can be accounted for by dummy variables.
• B)can decrease the accuracy of a forecast if not accounted for by dummy variables.
• C)exhibits irregular variation that can be accounted for by dummy variables.
• D)both a and b
• E)both b and c

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Definitions:

Environment

Encompasses all the external physical and social conditions and influences affecting the life and development of an organism or population.

Heredity

The biological process through which genetic characteristics are transmitted from one generation to the next.

Rubella

A contagious viral infection, also known as German measles, characterized by a rash and fever, and dangerous for pregnant women due to potential harm to the fetus.

Pregnancy

The state of carrying a developing fetus within the female body, typically lasting about 40 weeks from the last menstrual period to childbirth.