Which of the Following Yields a Simple Random Sample

question 135

Multiple Choice

Which of the following yields a simple random sample?

• A)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.
• B)The best 15 students,according to the opinion of the instructor,in a class are selected.
• C)The names of 50 students in a class are written on 50 different pieces of paper and put in a hat.The first 15 pieces of paper are selected blindly one at a time after shuffling the papers thoroughly and each of the selected pieces is placed back into the hat before the next piece is selected.
• 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.

---

Definitions:

Globus Pallidus

A subcortical structure located in the brain, involved in the regulation of voluntary movement by influencing the thalamus.

Nigrostriatal Dopamine System

A pathway in the brain involved in the control of movement; degeneration of this system is associated with Parkinson's disease.

Acetylcholine System

A neurotransmitter system that plays a critical role in muscle activation, memory, and attention.

Norepinephrine System

A component of the brain's neurotransmitter systems that influences attention, emotion, and bodily responses to stress and physical activity.