Which of the Following Yields a Cluster Sample

question 190

Multiple Choice

Which of the following yields a cluster sample?

• A)All students in a class are divided into groups of 15.One student is randomly chosen from the 1st group,the remaining observations are every 15th student thereafter.
• B)The best 15 students,according to the opinion of the instructor,in a class are selected.
• C)All students in a class are grouped according to their gender.A random sample of 8 is selected from the males and a separate random sample of 7 is selected from the females.
• D)All students in a class are divided into groups according to the rows that they are seated.One of the groups is randomly selected.

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Definitions:

W. Edwards Deming

An American engineer, statistician, professor, author, lecturer, and consultant, known for his work in the field of quality management and the Deming Cycle (Plan-Do-Check-Act).

Kaoru Ishikawa

A pioneer of quality management processes in Japan and the developer of the cause-and-effect diagram, also known as the "Ishikawa" or "fishbone" diagram.

Therbligs

A set of fundamental motions or actions used in the study of motion economy within the workplace, developed by Frank Bunker Gilbreth and Lillian Moller Gilbreth.

Frank and Lillian Gilbreth

Frank and Lillian Gilbreth were pioneers in the field of industrial engineering and time and motion studies, focusing on efficiency and labor-saving techniques.