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Math 15 – Elementary Statistics
Chapter 13 – Part 5Elvis!
Non-Linear Example.
• The moisture content of marine muds that accumulate in small inlets on the Gulf Coast is of interest to geologists in eastern Louisiana. The following measurements of the moisture contents of core samples were obtained by comparing the weight of a sample immediately after its removal from the core barrel with its weight after forced drying. The moisture content is expressed as grams of water per 100 grams of dried sediment. We wish to relate the moisture content to the depth, in meters, of the core sample.
Residual Analysis
What’s the Inverse?
Transformed data’s more linear.
Redo the Analysis…
Back to the original Scale.Reverse the Transformation.
Improved Model.
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