Lab 2 Bacteria

Lab 2 Bacteria - Will antibacterial hand sanitizer live up...

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Will antibacterial hand sanitizer live up to its claim of killing 99.9% of germs? Hand sanitizer kills 99.9% of germs from unwashed hands. If hand sanitizer lives up to its claim of killing 99.9% of germs, then it will kill 99.9% of germs off one’s unwashed hands. The p-value from the T-Test between change in amount of bacteria on sanitized hands and change in bacteria on dirty hands is .0003, which shows a significant difference because it is less than 0.05. I fail to reject my hypothesis since our results supported my hypothesis. My hypothesis was supported because the p-value was below 0.05 and the majority of the class’ data showed that the hand sanitizer was efficient in killing bacteria. I personally feel that my trial adequately tested my hypothesis. When I ran the experiment, I made sure to not cross contaminate my hands and monitored where I pushed my fingers into the gel. I kept the hand sanitizer on only my right hand and rubbed it in with only one other finger. Once the bacteria had time to incubate, I used a microscope to
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Lab 2 Bacteria - Will antibacterial hand sanitizer live up...

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