DrLuther Has Accessed a List of All Public Elementary Schools

question 42

Multiple Choice

Dr.Luther has accessed a list of all public elementary schools in the state of California.He randomly selects 20 schools from the list and then randomly selects 100 students at each school to survey.What type of sampling method has Dr.Luther used?

• A)cluster
• B)simple random
• C)stratified
• D)systematic

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Definitions:

Sexual Orientation

Sexual orientation is an enduring pattern of emotional, romantic, or sexual attractions to men, women, both sexes, neither sex, or another sex. It also refers to a person's sense of identity based on those attractions, related behaviors, and membership in a community of others who share those attractions.

Primary Category

A primary category is the main or leading group or classification within a broader system or framework.

Geographic Location

The specific physical position of a person or thing, often described by coordinates of longitude and latitude, or a regional description.

Common Categories

Standard classifications or divisions into which objects, ideas, or information are grouped based on shared characteristics.