X Values | Y Values | X - Mx | Y - My | (X - Mx)2 | (Y - My)2 | (X - Mx)(Y - My) |
3 6 2 6 6 |
7 9 5 5 6 |
-1.600 1.400 -2.600 1.400 1.400 |
0.600 2.600 -1.400 -1.400 -0.400 |
2.560 1.960 6.760 1.960 1.960 |
0.360 6.760 1.960 1.960 0.160 |
-0.960 3.640 3.640 -1.960 -0.560 |
Sum: 15.200 | Sum: 11.200 | Sum: 3.800 |
X Values
∑ = 23
Mean = 4.6
∑(X - Mx)2 = SSx = 15.2
Y Values
∑ = 32
Mean = 6.4
∑(Y - My)2 = SSy = 11.2
X and Y Combined
N = 5
∑(X - Mx)(Y - My) = 3.8
R Calculation
r = ∑((X - My)(Y - Mx)) /
√((SSx)(SSy))
r = 3.8 / √((15.2)(11.2)) = 0.291
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