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Can any one solve this question with clear explanation ?
Answers (1)
Regression coefficient of y on x = k Similarly regression coefficient of x on y = 4 We know, when we multiply these 2 coefficients, we get r^2 which implies r^2 = 4k. Value of r lies between -1 to 1, including nos. So, 0 </ =(r^2) </= 1, implies 0 </= (4k) </= 1 or 0 </= k </= (1/4)
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