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Is chlorhexidine more effective than tea tree oil

Member rating: No Rating | Words: 861 | Submitted: Tue Nov 13 2007

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T-Test EFFECTIVENESS OF CHLORHEXIDINE AND TEA TREE OIL Comparison Between Chlorhexidine and Tea Tree Oil On E-Coli: Experimental hypothesis: Chlorhexidine is significantly more effective than Tea Tree Oil (as an antiseptic) on E-Coli. Null Hypothesis: There is no significant difference between the effectiveness of Chlorhexidine and Tea Tree oil on E-Coli. Comparison Between Chlorhexidine and Tea Tree Oil On B. Subtilis: Experimental Hypothesis: Chlorhexidine is significantly more effective than Tea Tree Oil (as an antiseptic) on B. Subtilis. Null Hypothesis: There is no significant difference between the effectiveness of Chlorhexidine and Tea Tree oil on B. Subtilis. In the comparison between Chlorhexidine and Tea Tree oil on E-coli, and in the comparison between Chlorhexidine and Tea Tree Oil on B. Subtilis, the values I got for t was 1.54 and 1.69 respectively. These values are below the critical value for T (2.14) for 14 degrees of freedom at the probability level of p=0.05. Since the value I obtained...

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