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:

Abnormal Sleep Movements

Unusual physical actions that occur during sleep, which can disturb sleep patterns and may indicate underlying health issues.

Sudden Muscle Weakness

A rapid onset of muscle strength loss, which can be a symptom of various conditions, including neurological disorders and muscle diseases.

Healthy Sleep Pattern

A sleep schedule or routine that is consistently maintained, enabling adequate rest and contributing to overall wellbeing.

Measurable Outcome

A specific, quantifiable result that can be used to assess the effectiveness of a process, treatment, or intervention.