New posts in variance

What's Wrong With My Calculation of $E[X]$?

How do you measure the 'explained variance' of arbitrary linear embeddings?

What is the Difference between Variance and MSE?

Symmetric extension to Poisson Mass Function - Conditional Variance

Show that the distribution of $X$ is like this:

If $m$ tickets are drawn out of $n$ tickets numbered $1$ to $n$, find variance of the sum of the numbers on tickets

what is the variance of a constant matrix times a random vector?

Understanding proof that $P(X=0) \leq \frac{Var(X)}{E(X^2)}$

Is it true that $E_{\theta} \left ( \frac{\partial}{\partial \theta} \log p_{\theta} (X) \right ) = 0$?

Variance of geometric distribution without replacement

Determining variance from sum of two random correlated variables

Why $\int_a^{b} xf(x) dx < \frac{1}{b-a} \int_a^{b} x dx$? [closed]