Statistics is a branch of mathematics that involves the collection, analysis, interpretation, presentation, and organization of data.
Statistics is used to summarize and describe data, make inferences about populations using sample data, and draw conclusions or make decisions based on the analysis.
Key Concepts:
  • Data: Information or facts that are collected for analysis.
  • Variable: A characteristic or attribute that can vary among individuals or objects.
  • Descriptive Statistics: Methods used to summarize and describe data, such as measures of central tendency and measures of dispersion.
  • Inferential Statistics: Techniques used to make predictions, draw conclusions, or test hypotheses about a population based on sample data.
  • Probability: The likelihood or chance that an event will occur.
  • Hypothesis Testing: The process of using statistical tests to determine if there is enough evidence to reject or accept a hypothesis.
Statistics is widely used in various fields, including:
  • Business and Economics
  • Social Sciences
  • Healthcare and Medicine
  • Market Research
  • Finance and Investment
  • Sports Analytics
  • Environmental Studies
  • Quality Control and Manufacturing
  • Education Research