What quantitative forecasting technique uses past historical data to identify underlying secular trends, seasonal variations, and cyclical patterns over time?

Explanation

• Time-Series Analysis evaluates historical data points recorded at successive uniform time intervals to forecast future patterns.
• Components of time series include secular trend, seasonal variations, cyclical fluctuations, and random noise.
• Delphi Technique is a qualitative expert-opinion forecasting method, unlike time-series analysis.