Have you ever wondered why hospital floors are always hard surface in patient ar

ID: 3387038 • Letter: H

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Have you ever wondered why hospital floors are always hard surface in patient areas? Researchers hypothesized that carpet would be a better environment, on average, for bacteria to thrive because it's more difficult to clean than the typical hard vinyl. In order to test this premise they randomly selected 6 carpeted rooms and 10 rooms with vinyl floors. Air from all of the rooms was pumped over 16 petri dishes (one dish for each room) at a rate of 1 cubic foot per minute (ft3/min). Table 1 provides the descriptive statistics for the results of their study. The response variable is the number of bacteria per cubic foot.

FTR Ho at = 0.05 and do not conclude that, on average, bacteria counts differ between carpeted and vinyl flooring.FTR Ho at = 0.02 and do not conclude that, on average bacteria counts differ between carpeted and vinyl flooring. Reject Ho at = 0.02 and conclude that, on average, bacteria counts differ between carpeted and vinyl flooring.Reject Ho at = 0.1 and conclude that, on average, bacteria counts differ between carpeted and vinyl flooring.FTR Ho at = 0.01 and do not conclude that, on average, bacteria counts differ between carpeted and vinyl flooring.Reject Ho at = 0.05 and conclude that, on average, bacteria counts differ between carpeted and vinyl flooring.Reject Ho at = 0.01 and conclude that, on average, bacteria counts differ between carpeted and vinyl flooring.FTR Ho at = 0.1 and do not conclude that, on average, bacteria counts differ between carpeted and vinyl flooring.

Table 1: Descriptive statistics for bacteria
count in carpeted versus vinyl floored rooms n Mean StDev SEMean Hard Floor 10 0.95 0.90 0.285 Carpeted 6 1.35 0.50 0.204

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Have you ever wondered why hospital floors are always hard surface in patient ar

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Have you ever wondered why hospital floors are always hard surface in patient ar

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