CE399 In Class Assignment

# CE399 In Class Assignment - used a second order polynomial...

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Problem #1 Water Content Density Water Content Density 8.43 1.6 13.67 1.77 8.56 1.58 13.9 1.76 8.85 1.63 14.09 1.75 8.99 1.67 14.32 1.76 9.29 1.64 14.41 1.74 9.37 1.67 14.89 1.75 9.62 1.69 15.21 1.75 9.79 1.65 15.46 1.74 10.17 1.67 15.58 1.73 10.38 1.7 15.79 1.74 10.77 1.17 16.22 1.73 10.98 1.71 16.57 1.79 11.04 1.7 16.78 1.71 11.35 1.72 16.97 1.72 11.69 1.72 17.17 1.7 11.88 1.74 17.39 1.68 12.12 1.73 17.68 1.69 12.37 1.72 17.87 1.67 12.64 1.74 18.01 1.67 12.8 1.74 18.29 1.65 13.31 1.75 18.65 1.66 13.58 1.75 18.8 1.64 The general trend of the data provided for Dry Density versus the Water content of soil is the Density has a data curve similar to that of a polynomial, so in order to accurately depict the values on a best fit line I
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Unformatted text preview: used a second order polynomial curve. There are two outliers, which is the measurements at points 10.77% and 16.57%, in this data that should be excluded from the computation of the best fit line. The trend line shows that the dry density of the soil is highest at the peak of the curve, and decreases toward the beginning and end of the line....
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