Hospital floors are usually bare tiles instead of carpet Carpets will decrease noise but might...
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Hospital floors are usually bare tiles instead of carpet Carpets will decrease noise but might increase germ growth To study this researchers installed carpet in 8 of 16 hospital rooms They randomly selected the rooms to carpet The other rooms had bare tiles After two weeks of normal use they collected air samples from the rooms and counted the bacteria in each sample Identify the explanatory variable O air samples O bacteria count noise levels O flooring type
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