6. 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 (a) Fit a straight line to these data and use the equation to determine the tensile strength at a time of 32min. 20 18 40 33 54 70 60 78 (b) Determine the coefficient of determination, standard deviation and the standard error of estimate.
6. 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 (a) Fit a straight line to these data and use the equation to determine the tensile strength at a time of 32min. 20 18 40 33 54 70 60 78 (b) Determine the coefficient of determination, standard deviation and the standard error of estimate.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:6. 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
(a) Fit a straight line to these data and use the equation to determine the tensile strength at a time of
32min.
5
20
18
40
33
54
70
60
78
(b) Determine the coefficient of determination, standard deviation and the standard error of
estimate.
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