(Step-by-Step) Noise Levels in Hospitals In the hospital study cited previously, the standard deviation of the noise levels of the 11 intensive care units was
Question: Noise Levels in Hospitals In the hospital study cited previously, the standard deviation of the noise levels of the 11 intensive care units was \(4.1 \mathrm{dBA}\), and the standard deviation of the noise levels of 24 nonmedical care areas, such as kitchens and machine rooms, was \(13.2 \mathrm{dBA}\). At \(\alpha=0.10\), is there a significant difference between the standard deviations of these two areas?
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