A Worker Was Observed for Four Cycles of a Repetitive

question 83

Multiple Choice

A worker was observed for four cycles of a repetitive operation.The observed times for work elements are 11,10,8,and 11 seconds,respectively.What sample size is appropriate for estimating the time for this work element within + 3 percent of the true mean time with 95 percent confidence (z = 1.96) ?

• A)fewer than or equal to 70
• B)greater than 70 but fewer than or equal to 75
• C)greater than 75 but fewer than or equal to 80
• D)greater than 80

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Definitions:

General Adaptation Syndrome (GAS)

A consistent pattern of physical responses to stress that consists of three stages: alarm, resistance, and exhaustion.

Stress Resistance

The ability of an individual to withstand or manage stress without experiencing significant negative consequences on their mental or physical health.

Fight-or-Flight Response

The fight-or-flight response is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival.

Chronic Stress

Persistent stress extending over a long period of time, often leading to significant health issues and emotional disorders.