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Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 7.4 - Problem 13e
Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 7.4 - Problem 13e

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# The article “Mathematical Modeling of the Argon-Oxygen ISBN: 9780073401331 38

## Solution for problem 13E Chapter 7.4

Statistics for Engineers and Scientists | 4th Edition

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Problem 13E

The article “Mathematical Modeling of the Argon-Oxygen Decarburization Refining Process of Stainless Steel: Part II. Application of the Model to Industrial Practice” (J. Wei and D. Zhu, Metallurgical and Materials Transactions B, 2001:212-217) presents the carbon content (in mass %) and bath temperature (in K) for 32 heats of austenitic stainless steel. These data are shown in the following table.

 Carbon % Temp. Carbon % Temp. Carbon % Temp. Carbon % Temp. 19 1975 17 1984 18 1962 17 1983 23 1947 20 1991 19 1985 20 1966 22 1954 19 1965 19 1946 21 1972 16 1992 22 1963 15 1986 17 1989 17 1965 18 1949 20 1946 18 1984 18 1971 22 1960 22 1950 23 1967 12 2046 20 1960 15 1979 13 1954 24 1945 19 1953 15 1989 15 1977

a. Compute the least-squares line for predicting bath temperature (y) from carbon content (x).

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Review Notes for Calculus I Symmetry:  A graph is symmetric with respect to the y-axis if whenever (x, y) is a point on the graph then (-x, y) is also a point on the graph. Some even functions (y=x , y=x , etc.) have symmetry with respect to the y-axis. These graphs usually are parabolas (u-shaped graphs). To figure out if a graph has y-axis symmetry, then you replace all x’s with the opposite of x (ex: x would become –x).  A graph is symmetric with respect to the x-axis if whenever (x, y) is a point on the graph then (x, -y) is also a point on the graph. These graphs can look like a parabola turned on its side. To figure out if a graph has x-axis symmetry, you replace all y’s with the opposite of y (ex: y wo

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##### ISBN: 9780073401331

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