I One Component of a Time Series Is the Secular

question 41

Multiple Choice

i. One component of a time series is the secular trend that is the smooth movement of a series over a short period of time, such as a few months or quarters.
ii. Many business and economic time series have a recurring seasonal pattern.
iii. 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.

• 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.

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Definitions:

Energized

Refers to equipment that is supplied with electrical power or is in a state of being electrically charged.

Sequencer

A device or software that arranges and triggers a series of events or operations in a particular order.

Sequencer Program

A program or function in automation that executes a series of steps or instructions in a specific, predefined order.