001669, HANDORE OMKAR SUBHASH
Question #3
2 marks
The first central moment is equal to
A 1
B 0
Answers
Answered by
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).
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