Two lines of regressions are given by \x+2 \y-5=0 and 2 \x+\k \y-8=0. If \\sigma_\x^2=12 and \\sigma_\y^2=4, then the value of \k is

CGPET 2015 Solved Paper

Section: Mathematics

Question : 127 of 150

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Two lines of regressions are given by x+2y−5=0 and 2x+ky−8=0. If σx2=12 and σy2=4, then the value of k is

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