10.1 TWO METHODS OF ESTIMATION 10.2 Confidence Interval 10.3 Small-Sample Confidence Intervals for parameters of ne Property Let(X1,...,Xn)is a random sample from a population X. Denoted as E(X)=u,D(X)=o2,Both of u,o2 are unknown. X is the method-of-moments estimator for u S is the method-of-moments estimator for o2 4口45,43，手·3000 Xiaohan Yang Chapter 10 Point Estimationlogo 10.1 TWO METHODS OF ESTIMATION 10.2 Confidence Interval 10.3 Small-Sample Confidence Intervals for parameters of normal population Property Let (X1, · · · , Xn) is a random sample from a population X. Denoted as E(X) = µßD(X) = σ 2ßBoth of µ, σ2 are unknown. 1 X is the method-of-moments estimator for µ 2 S 2 n is the method-of-moments estimator for σ 2 Xiaohan Yang Chapter 10 Point Estimation