A methods and measurements analyst needs to develop a time standard for a certain task. In a preliminary study, he observed one of his workers perform this task five times, with the following results:
How many observations should be made if the analyst wants to be 99.74 percent confident that the maximum error in the observed time is 2 seconds? Assume that the standard deviation of the task time is 4 seconds.
Definitions:
Literary Quotation
involves citing a phrase or passage from a literary work to enhance or illustrate a point.
Expert Testimony
Authoritative statements given by someone with specialized knowledge or skills in a particular area, often used in legal or legislative settings.
Lay Testimony
Testimony provided in a legal setting by a witness who is not considered an expert in the matter at hand, often based on personal observation or experience.
Efficient Transition
The process of making a smooth and effective move from one task, condition, or state to another.
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