Let X1...,Xn be independent random variables where each X; has a pdf f(r; 0) = 0x°-1 for 0 < r< 1, where e> 0 is an unknown parameter. (a) Show that the method-of-moment of 0 is 6n =.. %3! %3D 1-Xn (b) Prove that Vn(6n – 0) converges in distribution to a normal distribution with mean zero and variance v(e) and find v(0) as a function in terms of e

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Please see attached mathematical statistics question attached along with attempt of proof. 

part(b)

How to prove the convergence in distribution to a normal distribution with mean zero and variance v(theta) and nd v(theta) as a function in terms of theta? Is my solution correct?

Page-1
0-1
) ECx)
%3D
%3D
1.
0+2
%3D
O+2
0+2
.'. Vas (x) = E (x³) - E²(x) = _©
2.
0+2
(0+2)(0+1)²
: By CLT, Sn (T, - E(x)N (0, Vancxi)
Vas (Xi))
:-
()
(0+2) CO+1)
We will. use delta method,
N(0, (8'
0+2) (o+1
→ 9'a) = (1-x)-x(-1)
(1-x)²
Hele, g o) = x
g'cx)3=
13D
2
2.
1
11
1-0
Xu
Co ti)
CO+2) (0+1)²
|
© (©+1)
=N(0, 0(0+)*)
Cot1)
%D
Transcribed Image Text:Page-1 0-1 ) ECx) %3D %3D 1. 0+2 %3D O+2 0+2 .'. Vas (x) = E (x³) - E²(x) = _© 2. 0+2 (0+2)(0+1)² : By CLT, Sn (T, - E(x)N (0, Vancxi) Vas (Xi)) :- () (0+2) CO+1) We will. use delta method, N(0, (8' 0+2) (o+1 → 9'a) = (1-x)-x(-1) (1-x)² Hele, g o) = x g'cx)3= 13D 2 2. 1 11 1-0 Xu Co ti) CO+2) (0+1)² | © (©+1) =N(0, 0(0+)*) Cot1) %D
Let X1...,X, be independent random variables where each X; has a pdf f(x; 8) = 01°-1 for 0 <
r< 1, where 0 > 0 is an unknown parameter.
(a) Show that the method-of-moment of 6 is 6n =
(b) Prove that yn(en - 0) converges in distribution to a normal distribution with mean zero and
variance v(e) and find v(0) as a function in terms of 0
Transcribed Image Text:Let X1...,X, be independent random variables where each X; has a pdf f(x; 8) = 01°-1 for 0 < r< 1, where 0 > 0 is an unknown parameter. (a) Show that the method-of-moment of 6 is 6n = (b) Prove that yn(en - 0) converges in distribution to a normal distribution with mean zero and variance v(e) and find v(0) as a function in terms of 0
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