Sampling Methods Quiz

What is the main feature of random sampling?

• Everyone has an equal chance of being selected

• Samples are chosen in a pattern

• Only one type of person is selected

• The sample is taken from a single location

In systematic sampling, how are samples chosen?

• Randomly from a list

• From every location

• At regular intervals (e.g. every 5th person)

• Only from one group

What does stratified sampling involve?

• Picking names from a hat

• Selecting people from different groups proportionally

• Choosing everyone from one area

• Asking only your friends

Which sampling method is most likely to give everyone an equal chance of being picked?

• Stratified

• Systematic

• Random

• Cluster

Which sampling method divides a population into groups before choosing a sample?

• Random

• Stratified

• Systematic

• Snowball

If a geographer asks every 10th person who walks past a shop, which method are they using?

• Stratified

• Random

• Systematic

• Opportunistic

What is one advantage of stratified sampling?

• It’s completely unpredictable

• It ensures all groups are represented

• It’s faster than all other methods

• You don’t need to know anything about the population

Which method might accidentally lead to bias if not done properly?

• Stratified

• Systematic

• Random

• All of the above

A geography student uses a number generator to choose street survey locations. What sampling method is this?

• Stratified

• Random

• Systematic

• Biased

Why might a geographer use systematic sampling instead of random sampling?

• It’s more expensive

• It guarantees better answers

• It’s easier to organize and ensures even coverage

• It focuses on just one type of person