Calculate the correlation coefficient for the following data sets and then plot these data sets as scatter plots: (a) x 26 12 26 16 11 21 26| 14 y 22 34 23 27 33 33 28 36 answer: r= -0.77357 (b) u 38 7 9 10 17 28 v 30 30 48 38 38 40 49 43 answer: r = 0.53995 using the law ΣΧy - nXy Exiyi r = / (Σ- nx2) (Σy-ny )
Calculate the correlation coefficient for the following data sets and then plot these data sets as scatter plots: (a) x 26 12 26 16 11 21 26| 14 y 22 34 23 27 33 33 28 36 answer: r= -0.77357 (b) u 38 7 9 10 17 28 v 30 30 48 38 38 40 49 43 answer: r = 0.53995 using the law ΣΧy - nXy Exiyi r = / (Σ- nx2) (Σy-ny )
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:Calculate the correlation coefficient for the following data sets and
then plot these data sets as scatter plots:
(a)
x 26 12 26 16 11
34 23 27
21
26
14
y
22
33
33
28
36
answer: r= -0.77357
(Б)
3
9
10
17
28
5
V
30
30
48
38
38
40
49
43
answer: r = 0.53995
using the law
Ex;yi – nxỹ
VIEx - nž²)(E v? – nỹ?)
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