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Calculate the coeficient of correlation between X and Y. |
Answer» SOLUTION : `gamma=(NSigmaXY-(SigmaX)(SigmaY))/(sqrt(NSigmaX^(2)-(SigmaX)^(2))sqrt(NSigmaY^(2)-(SigmaY)^(2)))` `=((5xx45)-(15xx15))/(sqrt((5xx55)-(15)^(2))sqrt((5xx45)-(15)^(2)))` `=(225-225)/(sqrt(275-225)xxsqrt(225-225))` `=(0)/(sqrt(50)xxsqrt(0))=(0)/(0)=0` |
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