Scenario 2.5 A Job Consists of Three Distinct Work Elements That Were

question 133

Multiple Choice

Scenario 2.5
A job consists of three distinct work elements that were timed with a highly accurate Swiss watch by a trained industrial engineer wearing a pristine white lab jacket and carrying an official-looking clipboard.Worker ratings were less inflated by the newness of the job elements to the worker than by the overall nervousness of the worker.The engineer recorded ten observations and assigned the performance rating that is recorded in the bottom row of the table under the corresponding work element.All recorded times are in seconds.

-Use the data in Scenario 2.5 to answer this question.If the rating factor is 15%,what is the normal time for Element 3?

• A)44.3 seconds
• B)58.5 seconds
• C)50.9 seconds
• D)48.5 seconds

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Definitions:

Mean Weight

The average mass of objects or individuals, calculated by summing their weights and dividing by the number of objects or individuals.

Sample

A subset of individuals, items, or data taken from a larger population, used to make inferences about the whole population.

Confidence Interval

A span of numbers obtained from sampled data which probably encompasses the value of a not yet known parameter of the overall population.

Cholesterol

A waxy, fat-like substance found in the cells of the body, important for various biological functions but harmful at high levels.