Respuesta :
The sampling techniques are given as follows:
a) stratified sample.
b) simple random sample.
c) cluster sample.
d) systematic sample.
e) convenience sample.
How are samples classified?
Samples may be classified as:
- Convenient: Drawn from a conveniently available pool.
- Random: All the options into a hat and drawn some of them.
- Systematic: Every kth element is taken.
- Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
- Stratified: Also divides the population into groups. Then, a equal proportion of each group is surveyed.
Then:
- In item a, patient are divided into groups, and samples from each group are taken, hence stratified sampling is used.
- In item b, all patients are listed, and a random number table is used to select them, hence it is a simple random sample.
- In item c, the patients are divided into groups according to regions, and all elements of each group are sampled, hence cluster sampling was used.
- In item d, one every kth patient was sampled, with k = 500, hence it is a systematic sample.
- In item e, any of the discharged patients can be sampled, hence they are sampled according to convenience.
More can be learned about sampling techniques at https://brainly.com/question/25122507
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