Sample types *EASY* (copelin)

Question 1

Name the following sample type:

• Each member of the population has an equal chance of being picked
• Names in a hat
• Random number generator

Answer 1

Simple random sample

Question 2

Name the following sample type:

• The population is divided into groups
• Some of the clusters are selected using a simple random sample
• All the members of the selected clusters are sampled

Answer 2

Cluster sample

Question 3

Name the following sample type:

• The population is in an ordered list
• The size of the population is divided by the size of the sample required to give the sampling interval
• A starting point is randomly chosen and then we skip ahead in step sizes equal to the sampling interval

Answer 3

Systematic sample

Question 4

Name the following sample type:

• The population is split into groups of the same characteristics
• The number of members to be selected from each strata is proportional to its size
• Those members are then selected using a simple random sample

Answer 4

Stratified sample

Question 5

Name the following sample type:

• The population is split into strata (as in stratified sampling)
• A desired number of members from each strata is decided upon
• The interviewer conducts the survey enough times until these desired quotes have been reached

Answer 5

Quota sample