Question

Components of time series are mainly of

(a) three types (b) four types

(c) two types (d) five types.​

Answer 1

Answer:

(b) four parts

Step-by-step explanation:

The factors that are responsible for bringing about changes in a time series, also called the components of time series, are as follows:

• Secular Trends (or General Trends)

• Seasonal Movements.

• Cyclical Movements.

• Irregular Fluctuations.

Answer 2

There are four types of component of time series.

• A time series is a set of numerical data points placed in a logical order. it is a chart that shows the movement of a set of data points over time.
• The components are -

1. Secular trend - It represents the changes along the term
2. Seasonal variations - It describes the various seasonal changes
3. Cyclical fluctuations - It refers to periodical but not seasonal variations
4. Irregular variations - It refers to different non random sources of series variations.