Statistics
P Probability & Inference
How to reason under uncertainty — from counting outcomes to drawing conclusions from data.
4 concepts— start at the top and work your way down
- 1→
Probability
A number between 0 and 1 measuring how likely an event is to occur.
- 2→
Normal Distribution
The symmetric bell-shaped distribution that arises naturally from sums of many small random effects.
- 3→
Sampling
How and why we study a subset of a population to draw conclusions about the whole.
- 4→
Hypothesis Testing
A formal framework for deciding whether data provides enough evidence to reject a default assumption.