Proof: Sum of Chi Squared distribution is a Chi Squared Distribution

This video shows how to prove that sum of chi squared distribution random variables has a chi squared distribution.
Hope you learned a lot from this video! Please don't forget to subscribe in my channel.
You may check:
Derivation of Moment Generation Function for Chi Squared Distribution: • Chi Squared Distributi...

[@rahulpaul5978]

it is pronounced as - "kai" NOT "chee". Nevertheless, your derivations of pdf, mean, variance and statistical videos are very useful.