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(a) Determine the least squares linear fit to the data: p=mT+c (b) Use your model to calculate the resistivity, p, at T = 10 °C

(a) Determine the least squares linear fit to the data: p=mT+c (b) Use your model to calculate the resistivity, p, at T = 10 °C

MATLAB: An Introduction with Applications
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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hello, may you please help me with  part  a and b ? 

Question 3 An experiment is carried out to measure the resistivity, p, of nichrome as a function of temperature (measured in Celsius). The results are shown in table 3.1. T: °C p: 2m x 107 20 25 p=mT+c Table 3.1 30 9.137 8.913 8.665 8.528 8.242 (a) Determine the least squares linear fit to the data: 35 n 1 p: 2 m × 107 9.052 40 (b) Use your model to calculate the resistivity, p, at T = 10 °C Table 3.2 2 3 9.172 9.101 To assess the repeatability of the above experiment. The value of resistivity at 20 °C is measured 6 times resulting in the values in Table 3.2. 45 50 8.203 7.972 (c) Calculate the mean and standard deviation in the value of p. 5 4 9.167 9.002 6 9.115
Transcribed Image Text:Question 3 An experiment is carried out to measure the resistivity, p, of nichrome as a function of temperature (measured in Celsius). The results are shown in table 3.1. T: °C p: 2m x 107 20 25 p=mT+c Table 3.1 30 9.137 8.913 8.665 8.528 8.242 (a) Determine the least squares linear fit to the data: 35 n 1 p: 2 m × 107 9.052 40 (b) Use your model to calculate the resistivity, p, at T = 10 °C Table 3.2 2 3 9.172 9.101 To assess the repeatability of the above experiment. The value of resistivity at 20 °C is measured 6 times resulting in the values in Table 3.2. 45 50 8.203 7.972 (c) Calculate the mean and standard deviation in the value of p. 5 4 9.167 9.002 6 9.115
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