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What do you think why is there a standard deviation in this data? Also, make a data analysis of the given datas. (curve fitting)

What do you think why is there a standard deviation in this data? Also, make a data analysis of the given datas. (curve fitting)

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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What do you think why is there a standard deviation in this data? Also, make a data analysis of the given datas. (curve fitting)

Item X y X^2 y^2 ху 0.51 8.34 0.2601 69.5556 4.2534 CHART TITLE y = 4.2491x +5.1262 2 1.31 8.28 1.7161 68.5584 10.8468 60 3 2.34 16.2 5.4756 262.44 37.908 4 3.42 18.41 11.6964 338.9281 62.9622 50 5 4.18 27.32 17.4724 746.3824 114.1976 5.17 27.53 26.7289 757.9009 142.3301 40 7 6.47 31.85 41.8609 1014.4225 206.0695 30 7.46 32.78 55.6516 1074.5284 244.5388 8.56 37.59 73.2736 1413.0081 321.7704 20 10 9.76 51.93 95.2576 2696.7249 506.8368 sum 49.18 260.23 329.3932 8442.4493 1651.7136 10 average 4.918 26.023 32.93932 844.24493 165.17136 4 6 8 10 12 A = 4.25 B = 5.13 Standard Dev. 3.00
Transcribed Image Text:Item X y X^2 y^2 ху 0.51 8.34 0.2601 69.5556 4.2534 CHART TITLE y = 4.2491x +5.1262 2 1.31 8.28 1.7161 68.5584 10.8468 60 3 2.34 16.2 5.4756 262.44 37.908 4 3.42 18.41 11.6964 338.9281 62.9622 50 5 4.18 27.32 17.4724 746.3824 114.1976 5.17 27.53 26.7289 757.9009 142.3301 40 7 6.47 31.85 41.8609 1014.4225 206.0695 30 7.46 32.78 55.6516 1074.5284 244.5388 8.56 37.59 73.2736 1413.0081 321.7704 20 10 9.76 51.93 95.2576 2696.7249 506.8368 sum 49.18 260.23 329.3932 8442.4493 1651.7136 10 average 4.918 26.023 32.93932 844.24493 165.17136 4 6 8 10 12 A = 4.25 B = 5.13 Standard Dev. 3.00
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