A Portion of the Population Selected to Represent the Population

question 8

Multiple Choice

A portion of the population selected to represent the population is called

• A)statistical inference
• B)descriptive statistics
• C)a census
• D)a sample

Understand the role and application of patient education in promoting health and preventing disease.

Apply knowledge of body mechanics in patient movement and handling.

Identify measures to prevent injuries and promote safety in various environments.

Recognize the importance of skin care and the methods to protect it.

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Definitions:

Sampling Error

The difference between a sample statistic used to estimate a population parameter and the actual but unknown value of the parameter.

Sample

A subset of elements chosen from a larger set (population), typically used to infer properties about the population.

Population

The entire group of individuals or instances about whom the study is concerned or from which the data is drawn.

Self-Selected Sample

A sample whose participants have chosen to be in the study, which may not be representative of the larger population and can introduce bias.