Here is a bivariate data set.
x | y
58.1 | 55.3 |
43.3 | 33.7 |
74.5 | 36.9 |
56.2 | 27.7 |
54.4 | 1 |
58.2 | 45.6 |
56.2 | -10.2 |
50.9 | 84.1 |
47.7 | 39.3 |
Find the correlation coefficient and report it accurate to three decimal places. r =
Solution:- given that
x : 58.1,43.3,74.5,56.2,54.4,58.2,56.2,50.9,47.7
y : 55.3,33.7,36.9,27.7,1,45.6,-10.2,84.1,39.3
The correlation coefficient r = -0.065 (rounded)
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