Thread: Cramer Rao problem
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Old November 5th, 2009, 10:00 PM
pengchao1024 pengchao1024 is offline
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Default Cramer Rao problem
cramer-rao-problem-2009-11-06-05.47.22.png幕快照 2009-11-06 上午05.47.22.png Views: 7 Size: 37.8 KB ID: 13708

i found:

E(\widetilde{\theta})=\theta+\frac{1}{n} \ \ \ \ \ var(\widetilde{\theta})=\frac{1}{n^{2}}

so i guess we need n goes to infinity to make theta an unbiased estimator.

what about the last two questions
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