Compute r, the correlation coefficient, rounded to two decimal places for the given data. x 1 3 7 4 y 2 5 8 6
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Step 1
Step 1: Calculate the sums of X, Y, XY, X^2, and Y^2: Sum of X = 1 + 3 + 7 + 4 = 15 Sum of Y = 2 + 5 + 8 + 6 = 21 Sum of XY = 2*1 + 5*3 + 8*7 + 6*4 = 2 + 15 + 56 + 24 = 97 Sum of X^2 = 1^2 + 3^2 + 7^2 + 4^2 = 1 + 9 + 49 + 16 = 75 Sum of Y^2 = 2^2 + 5^2 + 8^2 + 6^2 Show more…
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