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A Time Study of a Certain Service Task Found an Average

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A time study of a certain service task found an average time of 15 minutes,with a standard deviation of 5 minutes.These figures were based on a sample of 100 measurements.Is the sample large enough that we are 95% confident that standard time is within ±5% of its true value?


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Objective Data

Information that is measurable, observable, and verifiable by others, not influenced by personal feelings or interpretations.

Subjective Data

Information collected from a patient about their feelings, perceptions, and symptoms that cannot be objectively measured.

Ongoing Assessment

A continuous evaluation process to monitor and evaluate the progress, condition, or effectiveness of a situation or health status.

Nutritional Supplements

Products intended to provide nutrients that may not be consumed in sufficient quantities in a person's diet, including vitamins, minerals, amino acids, and fatty acids.

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