Here is a bivariate data set. x y 30.3 1.4 24.8 -27.5 38.3 14.4 39 39.7...

Here is a bivariate data set.
x   y
30.3   1.4
24.8   -27.5
38.3   14.4
39   39.7
20.3   -2.7
37.9   24.6
51   22.7
22.9   -27.7
40.1   39
33.9   9.7
45.2   62.6
34.4   13.1
19.9   0.5
40.9   21.7
52.2   46.8
20   -6.4
45.2   19.6
30.5   25.6
37.5   31.1
34.3   4

Find the correlation coefficient and report it accurate to three decimal places.
r =

What proportion of the variation in y can be explained by the variation in the values of x? Report answer as a percentage accurate to one decimal place.
r² =
%
% of the variation in y can be explained by the variation in the values of x.

Expert Solution

correlation coefficient r =0.775

proportion of the variation in y can be explained by the variation in the values of x =60.1 %

60.1 % of the variation in y can be explained by the variation in the values of x.

orchestra answered 1 year ago

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