The Effect of Different Lighting Levels on Productivity Is Evaluated

question 1

Multiple Choice

The effect of different lighting levels on productivity is evaluated using a designed experiment.Two hundred office workers who have the same basic job assignments are randomly selected to participate.Each worker is randomly assigned a different lighting level at his or her desk.Ambient (background) lighting is held constant for all workers.A benchmark of productivity is recorded for each worker.In this study,the sample is best described as:

• A) 200 office workers.
• B) the different lighting levels.
• C) the amount of productivity.
• D) all office workers with similar job assignments.

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Definitions:

Ease Of Learning

The degree to which a new concept, tool, or process can be learned by individuals with relative ease, often considered in educational and usability contexts.

Column Proportion

The ratio of a particular value's frequency to the total number of data points in its column within a table.

Somewhat Proficient

Describes a level of skill or competence that is moderate or satisfactory but not complete or expert.

Probability Distribution

A mathematical function that provides the probabilities of occurrence of different possible outcomes in an experiment.