Which of the Following Is NOT True About Sample Sizes

question 6

Multiple Choice

Which of the following is NOT true about sample sizes?

• A)The less sampling error desired,the larger the sample size must be.
• B)Samples of more homogeneous populations can be smaller than can samples of more diverse populations.
• C)When the researchers expect to find very strong relationships between the variables when they test hypotheses,they will need a smaller sample to detect these relationships than if they expect weaker relationships.
• D)For professional studies of the national population in which only a simple description is desired,the minimum sample size required is 2,500.

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Definitions:

Thoracic Curvature

The natural curve of the thoracic spine, which is convex in shape when viewed from the side.

Cervical Curvature

This refers to the slight inward curve of the cervical spine, also known as the neck region of the spine.

Intervertebral Disc

A fibrocartilaginous structure located between the vertebrae that acts as a shock absorber and facilitates movement in the spine.

Lumbar Vertebra

One of the larger vertebrae located in the lower back part of the spinal column, supporting much of the body's weight.