Mathematics, 06.06.2020 01:03, jayjay5246
The table shows the soil density of several soil samples at different depths.
Depth (m)156810121421232428
Soil density ( )
10451063110211401191123212491254126 512681273
(a)Write the quadratic regression equation that models the data. Let x = depth below the surface and let y = soil density.
(b)Use the equation to estimate the soil density of a sample at a depth of 20 m.
Answers: 2
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The table shows the soil density of several soil samples at different depths.
Depth (m)156810121421...
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