Solution :
X | Y | XY | X^2 | Y^2 |
16 | 129 | 2064 | 256 | 16641 |
27 | 166 | 4482 | 729 | 27556 |
40 | 197 | 7880 | 1600 | 38809 |
50 | 156 | 7800 | 2500 | 24336 |
57 | 140 | 7980 | 3249 | 19600 |
62 | 133 | 8246 | 3844 | 17689 |
77 | 172 | 13244 | 5929 | 29584 |
n | 7 |
sum(XY) | 51696.00 |
sum(X) | 329.00 |
sum(Y) | 1093.00 |
sum(X^2) | 18107.00 |
sum(Y^2) | 174215.00 |
Numerator | 2275.00 |
Denominator | 21448.42 |
r | 0.1061 |
r square | 0.0113 |
Xbar(mean) | 47.0000 |
Ybar(mean) | 156.1429 |
SD(X) | 16.2993 |
SD(Y) | 23.3006 |
b | 0.1229 |
a | 150.3656 |
r = 0.106
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