Which of the Following Yields a Systematic Sample

question 180

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.

---

Definitions:

Sacral Segments

Portions of the spinal cord that correspond to the sacral part of the vertebral column, which is crucial for transmitting nerve signals to and from the lower parts of the body.

Inhibitory Action Potentials

Electrical signals in neurons that decrease the likelihood of the neuron firing, thus reducing neuronal activity.

Sacral Region

The area of the body related to the sacrum, a triangular bone at the base of the spine formed by the fusion of five sacral vertebrae.

Myogenic Mechanism

A physiological mechanism by which blood vessels automatically adjust their resistance to maintain constant blood flow despite changes in arterial blood pressure.