A Methods and Measurements Analyst for Digital Devices Needs to Develop

question 56

Multiple Choice

A Methods and Measurements Analyst for Digital Devices needs to develop a time standard for the task of assembling a computer mouse.In a preliminary study,she observed one of her employees perform this task six times with the following results: How many observations should be made if she wants to be 0.8664 confident that the maximum error in the observed time is 0.5 second? Assume that the standard deviation of the task time is 4 seconds.

• A)10
• B)12
• C)120
• D)144
• E)169

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Definitions:

Interpersonal Therapy

A form of psychotherapy focused on improving interpersonal relationships and resolving mood disorders by addressing communication patterns and role disputes.

Traditional Behavioral Couple Therapy

A form of therapy focusing on improving relationships through reinforcement strategies and communication training.

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A form of psychotherapy that involves one or more therapists working with several people at the same time, often benefiting participants through shared experiences.

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