Compare the different types of random sampling methods. Describe
an example in which stratified sampling and cluster sampling should
be used. Do not cite examples already provided by peers. In replies
to peers, provide analysis and recommendations.
Random probability sampling includes all except which of the
following?
a.
Simple random sampling
b.
Stratified random sampling
c.
Cluster sampling
d.
Purposive sampling
Compare and contrast simple random sampling,
stratified random sampling, and systematic sampling. Draw diagrams
to show an example of each. What steps should be carried out to
perform a simple random sample?
Interviewing selected people at a local supermarket can be considered an example of ________ sampling.a. Randomb. Systematic c. Convenienced. Stratified
1. In the following two situations,
either stratified random sampling method or cluster sampling method
is used.
(1) Identify the sampling method used,
and (2) briefly justify your choice.
To get an idea of how much detached houses in the city of
Vancouver cost these days, Joe went to a real estate web site (like
realtor.ca) to get some information. He divided the city of
Vancouver into 20 districts or communities; randomly selected 5 of
them; and all detached houses...
Question one: Pick one of the following sampling methods (simple
random sampling, systematic, cluster clamping, stratified
sampling). Describe how you would implement this sampling method if
you were going to create a sample of 50 students.
Question two: What in your judgement is wrong with convenience
sampling? Also, describe a situation where in your judgement
conveniences sampling might be appropriate and explain why.
(Response 100 words if possible)
1. How does one go about constructing a sampling
frame?
2. When is stratified random sampling more efficient
than simple random sampling?
3. When is it advantageous, or even necessary, to employ
disproportionate stratified random sampling?
4. When is nonprobability sampling
justified?