Question : A random sample is taken. Show that the sample mean is an unbiased estimate of the population mean

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- Dec 29th 2009, 08:32 PMzorroA random sample X
Question : A random sample is taken. Show that the sample mean is an unbiased estimate of the population mean

- Dec 29th 2009, 11:33 PMmr fantastic
You will find the proof in almost any Stats textbook and undoubtedly Google will turn up proofs in abundance. Also, see here:http://www.mathhelpforum.com/math-he...stimators.html (and no doubt using the Search tool will turn up more threads).

- Dec 31st 2009, 02:17 AMzorroI was able to find one but dont know if its correct or no
- Dec 31st 2009, 09:29 PMmr fantastic
- Jan 1st 2010, 01:24 AMzorro
thanks Mr fantastic ......

i have got it now .......Thank u