Which of the Following Statements Is TRUE

question 9

Multiple Choice

Which of the following statements is TRUE?

• A)In cluster sampling,the parent population is broken into mutually exclusive and exhaustive sub-groups and a simple random sample is selected from each subgroup.
• B)Cluster samples are most statistically efficient when the clusters are internally homogeneous.
• C)In order to yield high statistical efficiency,each cluster in a cluster sample should include as many diverse universe values as possible.
• D)One of the main advantages of cluster sampling over simple random sampling is its greater statistical efficiency for the same size sample.
• E)All of these statements are false.

---

Definitions:

Hypertension

A chronic medical condition wherein blood pressure in the arteries is persistently elevated, which can lead to serious health problems like heart disease and stroke.

Dose-Response

The relationship between the amount of a drug (or other interventions) and the level of the response obtained, indicating the efficacy and potential toxicity of the therapy.

Common Cold Viruses

Refers to a group of viruses, including rhinoviruses and coronaviruses, that cause mild respiratory infections, known commonly as the cold.

Level of Stress

The degree or intensity of stress an individual is experiencing at any given time.