Re: Sample Questions of ISI ME I (Mathematics) 2010 Discussion

Posted by soumen08 on Jun 21, 2014; 11:22am
URL: http://discussion-forum.276.s1.nabble.com/Sample-Questions-of-ISI-ME-I-Mathematics-2010-Discussion-tp4850019p7593271.html

The formulas are -

a = (x_bar*y_bar - (x*y)_bar)/(x_bar^2 - (x^2)_bar )
and
b = y_bar - a*x_bar

From here, I cant follow your logic. I understand that the mean of the mean is just the mean and thus the expression you wrote is zero, but how do I apply it here? Can you please explain?

Thanks,
Soumen