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If for a bivariate data byx = – 1.2 and bxy = – 0.3 then find r. - Mathematics and Statistics

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प्रश्न

If for a bivariate data byx = – 1.2 and bxy = – 0.3 then find r.

योग
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उत्तर

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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अध्याय 3: Linear Regression - Miscellaneous Exercise 3 [पृष्ठ ५४]

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बालभारती Mathematics and Statistics 2 (Commerce) [English] Standard 12 Maharashtra State Board
अध्याय 3 Linear Regression
Miscellaneous Exercise 3 | Q 4.06 | पृष्ठ ५४

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