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Question
If for a bivariate data byx = – 1.2 and bxy = – 0.3 then find r.
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Solution
Given, byx = – 1.2 and bxy = – 0.3
∴ r = `+-sqrt("b"_"XY" * "b"_"YX")`
`= +- sqrt((- 1.2)(- 0.3)) +- sqrt0.36 = +- 0.6`
Since bXY and bYX both are negative,
r is negative.
∴ r = - 0.6
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