[Proof] MSE = Variance + Bias²

Proof that the mean squared error of an estimator is equal to the variance plus bias squared. Thanks for watching!! ❤️ Tip Jar 👉🏻👈🏻 ☕️ https://ko-fi.com/mathetal ♫ Eric Skiff - Chibi Ninja https://freemusicarchive.org/music/Eric_Skiff/Resistor_Anthems/eric_skiff_-_03_-_chibi_ninja/