How Many Cycles Should Be Used in a Time Study

question 15

Multiple Choice

How many cycles should be used in a time study in order to be 98% confident that the time-study average job cycle time is within 4% of the true average job cycle time.Assume that the average job cycle time was 4.25 minutes and the standard deviation of the sample was 0.65 minutes.

• A)55 cycles
• B)70 cycles
• C)80 cycles
• D)95 cycles

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Definitions:

Personality

A combination of emotional, attitudinal, and behavioral response patterns of an individual that are unique and consistent across different situations and over time.

Principles of Perception

Fundamental aspects governing how individuals interpret sensory information from their environment, impacting their understanding and interaction with the world.

Selective Screening

A process by which individuals or systems filter information, allowing attention to be focused on the most relevant or critical data.

Perceptual Process

The perceptual process is the sequence of psychological steps that a person goes through in receiving and interpreting information from the external environment, involving sensation, attention, and interpretation.