An Industrial Engineer Is Conducting a Time Study for a Work

question 53

Multiple Choice

An industrial engineer is conducting a time study for a work element.The select time is 4.5 minutes,and the sample standard deviation of the observed time is 20 seconds.What is the appropriate sample size if the estimate is to be 5 percent of the true average time 95 percent of the time?

• A)fewer than or equal to seven
• B)greater than seven but fewer than or equal to eight
• C)greater than eight but fewer than or equal to nine
• D)greater than nine

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Definitions:

Social Cognition

The study of how people process, store, and apply information about others and social situations, including understanding and reacting to the behaviors of others.

Parental-intervention

Actions taken by parents to influence or support their child's development, well-being, or behavior.

Bullying

The act of intimidating or mistreating someone weaker or perceived as vulnerable.

Relational Aggression

A type of aggression in which harm is caused through manipulation or damage to relationships.