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<p> The graph to the left plots the absorbance of each sample in the plate reader against its calculated CFU/mL value after plating the different dilutions. We noticed a general positive correlation between the variables, which makes sense considering a greater number of cells should have a higher absorbance value. We noticed more variability in the positive cultures than the negative cultures. The 3 positive cultures in the bottom left portion of the data are all samples from the first positive culture and the 3 in the top right portion of the data are the three samples from the second positive culture. </p> | <p> The graph to the left plots the absorbance of each sample in the plate reader against its calculated CFU/mL value after plating the different dilutions. We noticed a general positive correlation between the variables, which makes sense considering a greater number of cells should have a higher absorbance value. We noticed more variability in the positive cultures than the negative cultures. The 3 positive cultures in the bottom left portion of the data are all samples from the first positive culture and the 3 in the top right portion of the data are the three samples from the second positive culture. </p> | ||
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Revision as of 17:02, 31 July 2018