The following data yield the amount of hydrogen present
Chapter , Problem 37(choose chapter or problem)
The following data yield the amount of hydrogen present (in parts per million) in core drillings of fixed size at the following distances (in feet) from the base of a vacuum-cast ingot. Distance 1 2 3 4 5 6 7 8 9 10 Amount 1.28 1.50 1.12 .94 .82 .75 .60 .72 .95 1.20 (a) Draw a scatter diagram. (b) Fit a curve of the form Y = + x + x2 + e to the data.
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