TS ICET 23 May 2019 Shift 1 Paper

Question : 146 of 200

Marks: +1, -0

If the sum of the squares of deviations of ranks of two students in five subjects is 16, then the coefficient of rank correlation is

Solution:

P=1-\;{6 Σ d^{2}}/{n(n^{2}-1)}

=1-\;{6 × 16}/{5 × 24}=1-\;{4}/{5}=\;{1}/{5}

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