What Is the Secret to Making Sure That the People

question 65

Multiple Choice

What is the secret to making sure that the people interviewed in public opinion polls are representative of the whole population?

• A) random sampling
• B) indexing
• C) question format
• D) sample size
• E) response rate

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Definitions:

Control Circuit

An electrical circuit designed to control the operation of a main power circuit, often used in applications like motor starts and stops.

Physical Connections

Refers to the tangible linkages or joints between two parts or components within a system.

Logical Connections

The connections between entities that are governed by logic, typically in the context of computer science and digital circuits.

Ladder Diagrams

A graphical representation of electrical logic circuits used in programming PLCs and designing electrical circuits.