The National Electrical Code Is Revised Every __________ Years to Reflect

question 36

Multiple Choice

The National Electrical Code is revised every __________ years to reflect the latest changes and trends in the electrical industry.

• A) two
• B) three
• C) four
• D) five

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Definitions:

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, often the mean, median, or mode.

Interval Scale

A scale of measurement where the intervals between numbers on the scale are all equal in size.

Standard Deviation

The average deviation of scores from the mean (the square root of the variance).

Variance Data

Variance data measures the spread of a set of numbers, indicating how much individual numbers in a dataset differ from the mean.