A well-designed and safe workplace can contribute greatly toincreased productivity. It
Chapter 8, Problem 31(choose chapter or problem)
A well-designed and safe workplace can contribute greatly toincreased productivity. It is especially important that workersnot be asked to perform tasks, such as lifting, that exceed theircapabilities. The accompanying data on maximum weight oflift (MAWL, in kg) for a frequency of four lifts/min wasreported in the article The Effects of Speed, Frequency, andLoad on Measured Hand Forces for a Floor-to-KnuckleLifting Task (Ergonomics, 1992: 833843); subjects wererandomly selected from the population of healthy males ages1830. Assuming that MAWL is normally distributed, doesthe data suggest that the population mean MAWL exceeds25? Carry out a test using a significance level of .05.25.8 36.6 26.3 21.8 27.2
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