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By the End of 2014, Many of the Old Style

question 49

Essay

By the end of 2014, many of the old style (non-halogen) tungsten filament ___________________ lamps were phased out in the United States because of their low efficiency.


Definitions:

Nominal Scale

A classification system where numerical or non-numerical data are categorized without a natural order or ranking.

Measurement

The process of quantifying the characteristics of phenomena observed, usually by assigning numbers in a valid and reliable way.

Gender

The range of characteristics differentiating and categorizing males and females, and can reflect one's personal sense of identity based on societal norms.

Male

Refers to the sex that is biologically defined by the presence of XY chromosomes in humans and many other species.

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