Components of Time series

Which component of time series represents the systematic and long-term upward or downward movement of a series?

• Trend
• Irregular
• Cyclical
• Seasonality

Which component of time series represents the repetitive and predictable fluctuations in a series within a specific period?

• Seasonality
• Irregular
• Cyclical
• Trend

Which component of time series represents the irregular or random fluctuations in a series that cannot be attributed to any specific factor?

• Irregular
• Cyclical
• Seasonality
• Trend

Which component of time series represents the repetitive and non-periodic fluctuations in a series?

• Cyclical
• Seasonality
• Irregular
• Trend

Which component of time series analysis is used to decompose a series into its constituent components?

• Decomposition
• Regression
• Forecasting
• Smoothing

Which component of time series analysis is used to reduce short-term fluctuations and highlight long-term patterns in a series?

• Smoothing
• Regression
• Forecasting
• Decomposition

Which component of time series analysis is used to predict future values or estimate the unknown values of a series?

• Forecasting
• Regression
• Smoothing
• Decomposition

Which component of time series analysis is used to establish a relationship between a dependent variable and one or more independent variables?

• Regression
• Forecasting
• Decomposition
• Smoothing

Which component of time series represents the variations of a series due to economic, political, or societal factors?

• Cyclical
• Irregular
• Seasonality
• Trend

Which component of time series analysis is used to identify and quantify the short-term or within-period fluctuations in a series?

• Seasonality
• Irregular
• Cyclical
• Trend