## 14.5 Outline

- Sampling methods
- inferential statistics
- sample
- population
- target population
- inference procedure

- Hypothesis testing
- types of error
- type I
- type II

- fallacy of exceptions

- types of error

## 14.5 Essential Ideas

There are two types of sampling errors:

**Type I: **Rejection of the hypothesis when it is true.

**Type II:** Acceptance of the hypothesis when it is false.