practice_problems/problems/unit-05/properties-of-estimators/1

[giscus[bot]]

practice_problems/problems/unit-05/properties-of-estimators/1

https://mids-w203.github.io/practice_problems/problems/unit-05/properties-of-estimators/1.html

[aparnashankran]

for V[M(n)] = why is it 1/n^2 and not (2/n)^2 , therefore 4/n^2?

[shanis345]

I dont understand that too

[bosen-chia]

because the solution made a mistake

[shanis345]

I understand that E[Mn] converges to a but I cannot understand clearly why proving the unbiasedness is to prove E[Mn] = a.