A Stratified Random Sample Is Conducted to Ensure That

question 4

Multiple Choice

A stratified random sample is conducted to ensure that

• A) each subject in the population has an equal chance of being selected
• B) each sub-population is adequately represented in the study
• C) choosing a subject will increase the probability of similar subjects being chosen
• D) the research hypothesis being tested will be confirmed.

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Definitions:

Precava

Often referred to as the superior vena cava, it is a large vein that carries deoxygenated blood from the upper body to the heart.

Internal Jugular Vein

A major vein that carries blood from the head, brain, face, and neck back towards the heart.

Axillary Vein

A large blood vessel that conveys blood from the lateral aspects of the thorax, armpit, and upper limb toward the heart.

Brachiocephalic Vein

A large vein in the upper chest that is formed by the union of the internal jugular and subclavian veins and drains blood from the head, neck, and upper extremities.