Question

a television reporter interviewed travellers stranded at an airport during a snowstorm about the efficiency of air travel in canada. name the sampling techniques used.

a. systematic sample
b. cluster sample
c. stratified sample
d. simple random sample
e. convenience sample

the school librarian wants to determine how many students use the library on a regular basis. what type of sampling method is used by her, if she selected every 5th student who enters the library on monday?

convenience sample
simple random sample
systematic sample
stratified sample

Explanation:

1. The television reporter interviewed travellers stranded at an airport during a snow - storm. This is a convenience sample as the reporter is using a readily available group of people (stranded travellers) for the interview.
2. The school librarian selecting every 5th student who enters the library on Monday is a systematic sample. In systematic sampling, elements are selected at regular intervals from an ordered population.

Answer:

1. e. Convenience Sample
2. Systematic Sample