Sumários

8 Setembro 2026, 09:30 • Yiu Lim LUI

Definition and Scope of Statistics: Statistics is defined as the science of collecting, organizing, summarizing, analyzing, and interpreting data to transform raw numbers into actionable knowledge and insights.
Population vs. Sample: A population represents the complete collection of all items or individuals being studied, while a sample is a selected subset used to make inferences.
Classification of Variables: Variables are broadly categorized into numerical/quantitative (discrete or continuous) and categorical/qualitative (nominal or ordinal) types.
Types of Data Structures: Empirical studies utilize different temporal and structural frameworks, specifically cross-sectional data, time series data, and panel data, sourced from either primary or secondary databases.