5.Data Analysis: A Concise Overview of Statistical Techniques

5.1 Descriptive Statistics: Some popular Displays of Data

5.2 Inferential Statistics: Can the Results Be Generalized to Population?


Types of Statistical Data Analysis


  • Descriptive statistics provide simple summaries about the sample and about the observations that have been made.
  • Include the numbers, tables, charts, and graphs used to describe, organize, summarize, and present raw data.


  • Inferential statistics are techniques that allow making generalizations about a population based on random samples drawn from the population.
  • Allow assessing causality and quantifying relationships between variables.
  • To the table of contents