15. A large biological population has three classes of individuals A, A2, A, , in the proportions shown below: Suppose a random sample of size n is taken from the given population and a1, 22 and a, are A1 A2 A3 P1 = (1 – 0)² | P2 = 20(1 – 0) | P3 = {)² %3D observed for classes A1, A2 and A3 respectively. Find the maximum likelihood estimator of 0

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15. A large biological population has three classes of individuals A1, A2, A3 , in the proportions shown
below: Suppose a random sample of size n is taken from the given population and a1, a2 and az are
A1
A2
A3
P1 = (1 – 0)² | P2 = 20(1 – 0) | p3 = 0²
%3D
observed for classes A1, A2 and A3 respectively. Find the maximum likelihood estimator of 6
16. Suppose (x1, x2, .., a„) is a random sample from a normal distribution.
(a) Given that E(X,)
= ið and Var(X,) = o², show that the least squares and the maximum
likelihood estimators of 0 are the same. Hence find the maximum likelihood estimator of a.
(b) Find the maximum likelihood estimator of 0 if,
i. a, n N(0, 1)
ii. r
N(0,6)
iii. a, - N(0,0)
%24
Transcribed Image Text:15. A large biological population has three classes of individuals A1, A2, A3 , in the proportions shown below: Suppose a random sample of size n is taken from the given population and a1, a2 and az are A1 A2 A3 P1 = (1 – 0)² | P2 = 20(1 – 0) | p3 = 0² %3D observed for classes A1, A2 and A3 respectively. Find the maximum likelihood estimator of 6 16. Suppose (x1, x2, .., a„) is a random sample from a normal distribution. (a) Given that E(X,) = ið and Var(X,) = o², show that the least squares and the maximum likelihood estimators of 0 are the same. Hence find the maximum likelihood estimator of a. (b) Find the maximum likelihood estimator of 0 if, i. a, n N(0, 1) ii. r N(0,6) iii. a, - N(0,0) %24
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