Sampling Methods & Data Types

Question 1

Continuous Data

Answer 1

The value is measured (e.g. how much does this cat weigh?).

Question 2

Discrete Data

Answer 2

The value is counted (e.g. how many cats are there?).

Question 3

Qualitative Data

Answer 3

Information describing something (e.g. what colour is this cat’s fur?).

Question 4

Simple Random Sampling

Answer 4

Each member of the population has an equal chance of being selected.

Question 5

Stratified Sampling

Answer 5

Subgroups in a population have a set number of samples to be selected, based on the size of the group.

Question 6

Quota Sampling

Answer 6

An researcher selects a sample that reflects the characteristics of the whole population (bias is very likely).

Question 7

Systematic Sampling

Answer 7

Every nth item in the target population is selected.

Question 8

Opportunity Sampling

Answer 8

Whoever happens to be there and agrees to participate.

Question 9

Cluster Sampling

Answer 9

Samples are taken from only some of the subgroups.

Question 10

Self-selected Sampling

Answer 10

Individuals in the sample are volunteers.