This is a study note for the MIT Online Course 18.05

### Reading 1A: Introduction

#### Difference between Probability and Statistics

- Probability is logically self-contained
- In statistics, we use probabilities to draw conclusions from data.

#### Two conflicting schools of statistics

- Frequentists:
- Measures the various outcomes of an experiment.

- Bayesians:
- Measures a state of knowledge or a degree of belief.

### Reading 1B: Counting and Sets

Skipped, due to preivious knowledge.