People Who Are Not Contacted or Who Refuse to Cooperate

question 62

Multiple Choice

People who are not contacted or who refuse to cooperate are called:

• A)random errors
• B)biased respondents
• C)sample selection errors
• D)nonrespondents

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Definitions:

Inductive Loads

Electrical components or devices, such as motors or transformers, that primarily use magnetic fields to function, causing a phase shift between the voltage and current.

Delta

A method of electrical connection in which each side of a load is connected to a vertex of a triangle-like configuration, with power supplied at each vertex.

Wye

An electrical configuration where three components are connected at a single common point, forming a Y shape.

True Power

The actual power consumed by a device in an electrical circuit, measured in watts (W), and calculated as the product of voltage, current, and the cosine of the phase angle between them.