A work measurement analyst in the Dorben Company took 10 observations of a high production job. He
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A work measurement analyst in the Dorben Company took 10 observations of a high production job. He performance rated each cycle and then computed the mean normal time for each element. The element with the greatest dispersion had a mean of 0.30 minutes and a standard deviation of 0.03 minutes. If it is desirable to have sampled data within ±5 percent of the true data, how many observations should this time study analyst take of this operation?
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Related Book For
Niebels Methods, Standards and Work Design
ISBN: 978-0073376318
13th edition
Authors: Andris Freivalds, Benjamin Niebel
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