CA CPT 2013 Dec Question Paper Quantitative Aptitude for online practice
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Question : 34 of 50
Marks:
+1,
-0
Determine the coefficient of correlation between x and y series
Sum of product deviation of x and y series from mean = 122
| X – Series | Y – Series | |
| Number of items | 15 | 15 |
| Arithmetic mean | 25 | 18 |
| Sum of Square of deviation of mean | 136 | 138 |
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