Which of the Following Yields a Systematic Sample

question 166

Multiple Choice

Which of the following yields a systematic 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 drawn from the females.
• D)A random sample of 15 students is selected from a class without replacement.

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Definitions:

Craniotomy

A surgical operation where a bone flap is temporarily removed from the skull to access the brain.

Encephalotomy

A surgical procedure involving an incision into the brain.

Craniectomy

A surgical operation in which a portion of the skull is removed to relieve pressure on the brain.

Temperature

A measure of the warmth or coldness of an environment or body, indicative of the degree of heat energy present.