# S2 Definitions

?
• Created by: Liv
• Created on: 01-06-16 12:38
Statistic
A random variable that is a function of the sample which contains no unknown parameters.
1 of 10
Population
A collection of all items.
2 of 10
Sample
Some subset of the population which is intended to be representative of the population.
3 of 10
Census
When every member of the population is sampled.
4 of 10
Sampling unit
Individual member of the population.
5 of 10
Sampling frame
A list of all the sampling units.
6 of 10
Sampling distribution
All possible samples are chosen from a population. The values of a statistic and the associated probabilities is a sampling distribution.
7 of 10
Critical region
The range of values which would lead you to reject the null hypothesis.
8 of 10
Hypothesis test
A procedure to examine a value of a population parameter proposed by the null hypothesis.
9 of 10
Significance level
The probability of incorrectly rejecting the null hypothesis.
10 of 10

## Other cards in this set

### Card 2

#### Front

A collection of all items.

Population

### Card 3

#### Front

Some subset of the population which is intended to be representative of the population.

### Card 4

#### Front

When every member of the population is sampled.

### Card 5

#### Front

Individual member of the population.