A Manager Who Is Conducting a Time Study Now Needs

question 18

Multiple Choice

A manager who is conducting a time study now needs an accuracy of ±0.1 minutes, rather than ±0.2 minutes as in the past. Because of this change in accuracy, the adequate sample size becomes

• A) one-fourth as large
• B) one-half as large
• C) twice as large
• D) four times as large
• E) none of the above

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Definitions:

Environment Impact

The influence of human activities on the ecosystem, potentially causing habitat destruction, pollution, and climate change.

Spill Distance

The measure of how far a liquid or granular material can spread or disperse upon being spilled, often considered in environmental hazard planning.

Groundwater

Water found underground within the spaces between soil particles and cracks within rock structures.

Monitoring Aquifers

The process of observing and tracking the quality, quantity, and movement of water within underground layers of water-bearing rock or materials.