Correlation
Correlation (Question)
By using the information from the table below, calculate the correlation between the following set of variables:
- x1 & x2
- x3 & x4
- x5 & x6
- x7 & x8
- x9 & x10
Guide:
Correlation Formula = Covariance(x,y)/(Standard Deviation x * Standard Deviation y)
Correlation (Answer)
- -0.004
- -0.277
- 0.066
- -0.314
- -0.386
| x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | x9 | x10 |
| 2 | 2 | 5 | 3 | 1 | 2 | 1 | 5 | 3 | 3 |
| 0 | 5 | 0 | 4 | 3 | 5 | 3 | 1 | 0 | 4 |
| 1 | 5 | 1 | 3 | 1 | 2 | 5 | 0 | 2 | 2 |
| 2 | 0 | 2 | 2 | 3 | 3 | 2 | 1 | 3 | 4 |
| 5 | 5 | 1 | 3 | 4 | 5 | 5 | 1 | 2 | 5 |
| 0 | 1 | 3 | 3 | 5 | 3 | 3 | 0 | 2 | 1 |
| 1 | 4 | 1 | 1 | 0 | 4 | 5 | 3 | 4 | 0 |
| 0 | 2 | 4 | 0 | 4 | 4 | 3 | 3 | 5 | 1 |
| 0 | 2 | 5 | 3 | 3 | 0 | 1 | 0 | 3 | 0 |
| 3 | 4 | 0 | 3 | 3 | 4 | 4 | 1 | 1 | 2 |
| 5 | 1 | 2 | 0 | 5 | 1 | 2 | 4 | 5 | 3 |
| 2 | 3 | 1 | 3 | 4 | 1 | 2 | 5 | 0 | 2 |
| 2 | 0 | 0 | 3 | 5 | 5 | 5 | 1 | 5 | 1 |
| 1 | 4 | 3 | 1 | 3 | 0 | 4 | 4 | 5 | 1 |
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