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Question
The person suggested a mathematical method for measuring the magnitude of linear relationship between two variables say X and Y is
Options
Karl Pearson
Spearman
Croxton and Cowden
Ya Lun Chou
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Solution
Karl Pearson
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Calculate the correlation coefficient for the following data.
| X | 5 | 10 | 5 | 11 | 12 | 4 | 3 | 2 | 7 | 1 |
| Y | 1 | 6 | 2 | 8 | 5 | 1 | 4 | 6 | 5 | 2 |
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| Y | 26 | 35 | 48 | 28 | 20 | 36 | 25 | 40 | 43 | 39 |
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