Technician A Says the Third Prong on an Electrical Cord

question 32

Multiple Choice

Technician A says the third prong on an electrical cord is to provide extra current during a power surge.Technician B says it is a safety ground.Who is correct?

• A) A only
• B) B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Independent Samples

Independent samples refer to two or more groups of data that are collected from separate, non-overlapping populations, ensuring they are not influenced by each other.

Normal Populations

The term "normal populations" relates to groups or sets of entities that exhibit characteristics distributed according to a normal (Gaussian) distribution.

Sampling Distribution

The likelihood distribution of a specific statistic derived from a random sample, which is utilized to draw conclusions about the broader population that the sample represents.

Nonnormal Populations

Distributions that do not follow a normal (Gaussian) bell-shaped curve, often requiring different statistical techniques for analysis.