In: Statistics and Probability
Match the following scenarios to their sampling method.
A random number generator selects a subject’s ID number
You wish to take a survey of people’s opinion of your company’s workplace culture. It is made up of 7 departments and you randomly select a department and use everyone in it.
You select every 10th shopper that comes through the door to take a survey on your company’s products.
A survey of military personal randomly selects 1% of personnel from each branch for a sample.
You take a survey of people at work to estimate the political affiliation of the U.S. population.
match to stratified, systematic, simple random, convenience and clustered
Here probability of selecting any subject’s ID number is equally likely so it will be simple random sampling method
Answer: simple random
You wish to take a survey of people’s opinion of your company’s workplace culture. It is made up of 7 departments and you randomly select a department and use everyone in it.
Here the company is made up of 7 department (or cluster) and we select one of the cluster use everyone in it so it will be clustered sampling method
Answer: clustered
Here the people we select for the survey of the product are selected with a fixed or periodic interval, in this case the fixed interval is every 10th shopper so it will be systematic sampling method.
Answer: systematic
Here each branch is considered each strata and we take 1% personnel from each strata or branch so it will be stratified sampling method
Answer: stratified
Here the survey is taken from a group of people easy to contact or to reach ,which in this case is the people at work so it will be convenience sampling method.
Answer: convenience