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Find the rank correlation coefficient for the given data: x 48 60 72 62 56 40 39 52 30 y 62 78 65 70 38 54 60 32 31
Find the rank correlation coefficient for the given data: x 48 60 72 62 56 40 39 52 30 y 62 78 65 70 38 54 60 32 31
-0.488
From the data x 1 4 2 3 5 and y 3 1 2 5 4, find the regression line equations and the coefficient of correlation.
From the data x 1 4 2 3 5 and y 3 1 2 5 4, find the regression line equations and the coefficient of correlation.
Regression line equations: x = 2.6 + 0.8y, y = 2.2 + 0.6x; Coefficient of correlation: 0.6
Determine the mean of x and y, and the correlation coefficient between x and y from the regression equations x = 19.13 – 0.87y, y = 11.64 – 0.50x.
Determine the mean of x and y, and the correlation coefficient between x and y from the regression equations x = 19.13 – 0.87y, y = 11.64 – 0.50x.
Mean of x: 10.98, Mean of y: 5.78, Correlation coefficient: -1
Calculate the estimation of x when y = 70 from the data X 65 66 67 67 68 69 70 72 Y 67 68 65 68 72 72 69 71.
Calculate the estimation of x when y = 70 from the data X 65 66 67 67 68 69 70 72 Y 67 68 65 68 72 72 69 71.
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