A Time-Study Analyst Is Determining the Standard Time for a Work

question 96

Multiple Choice

A time-study analyst is determining the standard time for a work element.The select time is 6.0 minutes,and the standard deviation of the select time is 2.2 minutes,based on a pilot sample of 20 observations.What is the appropriate sample size if the estimate for the select time is to be within 10 percent of the true average time 95 percent of the time?

• A) Fewer than 30 observations
• B) Greater than or equal to 30 observations but fewer than 40 observations
• C) Greater than or equal to 40 observations but fewer than or equal to 50 observations
• D) Greater than or equal to 50 observations

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Definitions:

Mental Manipulation

The act of influencing or controlling someone's mind or thoughts, often for personal gain or to deceive.

Marijuana

A psychoactive drug from the Cannabis plant used for medical or recreational purposes, often known for its effects on mood and perception.

Cognitive-Developmental Theory

A theory proposed by Jean Piaget that outlines how children's ability to think and understand develops through various stages.

Formal Operations

The fourth stage in Piaget’s cognitive-developmental theory, characterized by the capacity for flexible, reversible operations concerning abstract ideas and concepts, such as symbols, statements, and theories.