Statistics - the science of

  • collecting, organizing, summarizing, analyzing data
  • drawing conclusions from it

Goal: use imperfect information to infer facts, make predictions, and make decisions.

A statistic a number or value measured in context

Statistical Investigation

Data Analysis: Process of statistical investigation:

  1. pose a question
  2. collect relevant data
  3. analyze
  4. form a conclusion (how?)

Questions 2-4 - answered by Statistics


There are two types of statistics:

Good Online Resources

Free online books and online resources on statistics