Question

001669, HANDORE OMKAR SUBHASH
Question #3
2 marks
The first central moment is equal to
A 1
B 0​

Answer 1

Answer:

b) 0

Step-by-step explanation:

The nth central moment is defined as E[(X−E(X))n], so for n=1, we have E[(X−E(X))]. By linearity of expectation, this equals E(X)−E[E(X)]. Since E(X) already is a constant, so that E[E(X)]=E(X).