Essay
After an outbreak of a drug-resistant strain of bacteria (Enterococci faecium), hospitalofficials became concerned that their alcohol-based handrub (ABHR) hand hygieneprogram was not sufficient to prevent spreading this bacteria. The officials solicited20 volunteers to assess the effectiveness of ABHR. The volunteers' hands werecontaminated with E. faecium. After gathering baseline data on the amount ofbacteria present they performed the recommended hand hygiene according to theWorld Health Organization protocol. The amount of bacteria present was thenassessed again. Summary measures and boxplots of the baseline sample, the post-ABHR sample, and the reduction in the amount of bacteria ( log10 (bacteria / mL) ) arepresented below. Do these data provide sufficient evidence that the ABHR iseffective against the E. faecium?
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Since the P-value is approxim...View Answer
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