Surfstat.australia: an online text in introductory Statistics
Introduction
Statistics consists of the principles and methods for
- Designing studies
- Collecting data
- Presenting and analysing data
- Interpreting the results
Statistics has been described as
- Turning data into information
- Data-based decision making
- The technology of the "Scientific Method"
The scientific approach to decision making can be summarised as:
Example: Damaged cartons containing some product
Customers are complaining that they are shipped too many damaged
cartons. While the product inside is seldom damaged, the damage on the
carton forces customers to inspect for damage to the product
The Simplified Process