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Bring Out the Inconsistency, If Any in the Following : - Mathematics and Statistics

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Question

Bring out the inconsistency, if any in the following : 

bYX  = bXY = 1.50 and r = -0.9

Sum
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Solution

The signs of given byx . bxy and r are different.

But the signs of byx . bxy  and r all should be positive or all should be negative.

∴ data is inconsistent. 

shaalaa.com
Regression Coefficient of X on Y and Y on X
  Is there an error in this question or solution?
2015-2016 (July)

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