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a. It is known that the tensile strength of a plastic increases as a function of the time it is heat treated. The following data are collected Time 10 15 20 25 40 50 55 60 75 Tensile Strength 20 18 40 33 54 70 60 78 Fit a straight line to these data and use the equation to determine the tensile strength at a time of 32 min b. Compute the standard deviation, the standard error of the estimate, and the correlation coefficient for the fit

a. It is known that the tensile strength of a plastic increases as a function of the time it is heat treated. The following data are collected Time 10 15 20 25 40 50 55 60 75 Tensile Strength 20 18 40 33 54 70 60 78 Fit a straight line to these data and use the equation to determine the tensile strength at a time of 32 min b. Compute the standard deviation, the standard error of the estimate, and the correlation coefficient for the fit

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 6SGR
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a. It is known that the tensile strength of a plastic increases as a function of the time it is heat treated. The following data are collected Time 10 15 20 25 40 50 55 60 75 Tensile Strength 5 20 18 40 33 54 70 60 78 Fit a straight line to these data and use the equation to determine the tensile strength at a time of 32 min b. Compute the standard deviation, the standard error of the estimate, and the correlation coefficient for the fit
Transcribed Image Text:a. It is known that the tensile strength of a plastic increases as a function of the time it is heat treated. The following data are collected Time 10 15 20 25 40 50 55 60 75 Tensile Strength 5 20 18 40 33 54 70 60 78 Fit a straight line to these data and use the equation to determine the tensile strength at a time of 32 min b. Compute the standard deviation, the standard error of the estimate, and the correlation coefficient for the fit
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