## Related questions with answers

Identify the type of sampling (random, systematic, convenience, stratified, cluster) used when a sample of the 637,133 stockholders is obtained as described. Then determine whether the sampling scheme is likely to result in a sample that is representative of the population of all 637,133 stockholders.

b. At the annual stockholders' meeting, a survey is conducted of all who attend.

Solution

VerifiedSimple random sampling uses a sample in which every individual has an equal chance of being chosen.

Stratified random sampling draws simple random samples from independent subgroups.

Cluster sampling divides the population into non-overlapping subgroups and some of these subgroups are then in the sample.

Systematic sampling is letting every $k$th individual be in the sample ($k$ an integer).

Convenience sampling uses for example voluntary response or a subgroup from the population (that is conveniently chosen).

Convenience

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