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An advantage of convenience samples is that
Multiple Choice
the required sample size is easier to calculate.
sampling error can be reduced.
computation of statistics is easier.
they are often quicker and cheaper.
A sampling technique used when groups are defined by their geographical location is
Multiple Choice cluster sampling.
convenience sampling.
judgment sampling.
random sampling.
A population has groups that have a small amount of variation within them, but large variation among or between the groups themselves. The proper sampling technique is
Multiple Choice
simple random.
stratified.
cluster.
judgment.