Book: Statistics – An Introduction (4th Edition) – Roger E. Kirk
What is statistics?
- Benjamin Disraeli – “There are 3 kinds of lies – Lies, Damned Lies and Statistics”
- Statistics word comes from latin word status
- Four distinct meaning: Data, Function of Data, Collections/Analysis/Interpretation of Data, Science of using those techniques
Why statistics?
- probabilistic nature of scientific literature
- very useful tool
Basic Concepts Terms:
- Population
- Sample
- Element
- Observation
Types of Statistics: Descriptive and Inferential
Random Sampling – draw sample from population; chance of drawing sample has equal chance
Characteristics: Variable and Constant
Measurment: Assign number to characteristics of people etc.
