How do you prove that OLS Estimator must pass through mean of X and Y
68269
Regression Proof that the point of averages (x,y) lies on the estimated regression line
26250
Robust mean estimation with O(1) update efficiency
157432
How to use the Mean Value Theorem to prove the following statement:
117183
Deriving the maximum likelihood for the parameters in linear regression
69082
Show that $\frac{X}{X+Y}\sim Beta(\alpha,\beta)$
45143
Identify $E(X\mid X+Y)$ for $X$ and $Y$ independent and Poisson
105268
prove inequality through mean value theorem
36460
Intuition behind unbiasedness of ordinary least squares estimator
120879
Why is OLS estimator of AR(1) coefficient biased?
115355
Find $E(\max(X,Y))$ for $X$, $Y$ independent standard normal
66089
Using AM-GM to prove $\lim_{p\to 0}$ of the $p$-mean is equal to the GM.
31937
How do I prove equality of x and y?
129598
Linear transformation of random variables
91012
Unbiased Estimator of the Standard Error of another Estimator
2315
How to prove that $\lVert x + y\rVert = \lVert x\rVert + \lVert y \rVert \implies \lVert tx + (1-t)y\rVert = t\lVert x\rVert + (1-t)\lVert y \rVert$?
142496
Uniqueness for OLS linear regression
17893
How do I show that the mean of the posterior density minimizes this squared error loss function?