UPSC NDA Math Model Paper 9
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Question : 73 of 120
Marks:
+1,
-0
Given x = 2y + 4 and y = kx + 6 are the lines of regression of x on y and y on x respective.
Find the value of k, if value of r is 0.5.
Find the value of k, if value of r is 0.5.
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