for a group of 8 students tas found he sum of squares of diff in ranks for accountancy & economics marks was found to be 50.what is the rank correlation of coefficient?
pls explain with ans.....
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Maths doubt....
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Here the formula for rank correlation coefficient is 1-(6sigmad^2)/n(n^2--1)
in the sum n=8; sigmad^2 =50 if u substitute in the formula u will be getting the answer 0.40
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