A statistical series is a collection of data points arranged in a specific order, often over time. This organization helps in analyzing trends, patterns, and changes within the data. Common types of statistical series include time series, which tracks data points at consistent intervals, and frequency distributions, which show how often each value occurs. Statistical series are essential in various fields, including economics, healthcare, and social sciences. They provide valuable insights for decision-making and forecasting by summarizing large amounts of data into a more manageable format. Understanding these series can help identify correlations and make predictions based on historical trends.