Mathematics, 23.07.2020 18:01, barattah
Suppose that E(θˆ1) = E(θˆ2) = θ, V(θˆ 1) = σ2 1 , and V(θˆ2) = σ2 2 . Consider the estimator θˆ 3 = aθˆ 1 + (1 − a)θˆ 2. a Show that θˆ 3 is an unbiased estimator for θ. b If θˆ1 and θˆ2 are independent, how should the constant a be chosen in order to minimize the variance of θˆ3?
Answers: 2
Mathematics, 21.06.2019 18:30, kamiyaharris1
How to use order of operation in 20 divide by 4 multiply 5 = 1
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Mathematics, 21.06.2019 19:00, Nerdymania
2pointswhich of the following appear in the diagram below? check all that apply. d a. zcdeов. сеo c. aéo d. zdce
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Mathematics, 21.06.2019 19:30, ellarose0731
Hi, can anyone show me how to do this problem? 100 points for this. in advance
Answers: 2
Suppose that E(θˆ1) = E(θˆ2) = θ, V(θˆ 1) = σ2 1 , and V(θˆ2) = σ2 2 . Consider the estimator θˆ 3 =...
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