Mathematics, 17.07.2020 19:01 dewonpruitt22
The table shows the soil density of several soil samples at different depths. Write the quadratic regression equation that models the data. Let x = depth below the surface and let y = soil density. Use the equation to estimate the soil density of a sample at a depth of 20 m. Show your work.
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The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing
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Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.
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Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. here are data on the "penetrability" of the same type of soil at two levels of compression. penetrability is a measure of how much resistance plant roots will meet when they try to grow through the soil. compressed soil 2.85 2.66 3 2.82 2.76 2.81 2.78 3.08 2.94 2.86 3.08 2.82 2.78 2.98 3.00 2.78 2.96 2.90 3.18 3.16 intermediate soil 3.17 3.37 3.1 3.40 3.38 3.14 3.18 3.26 2.96 3.02 3.54 3.36 3.18 3.12 3.86 2.92 3.46 3.44 3.62 4.26 use the data, omitting the high outlier, to give a 95% confidence interval for the decrease in penetrability of compressed soil relative to intermediate soil. compute degrees of freedom using the conservative method. interval: to
Answers: 1
The table shows the soil density of several soil samples at different depths. Write the quadratic re...
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