Calling venkateswarulu and Npa

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Author Message   Der_schuler Side Hero Username: Der_schuler Post Number: 5469 Registered: 01-2009 Posted From: 148.159.160.51 Rating: N/A Votes: 0 (Vote!) Posted on Sunday, March 28, 2010 - 09:59 pm:        graduate level text book seppi   Der_schuler Side Hero Username: Der_schuler Post Number: 5468 Registered: 01-2009 Posted From: 148.159.160.51 Rating: N/A Votes: 0 (Vote!) Posted on Sunday, March 28, 2010 - 09:59 pm:        babu stats lo oka manchi text book seppandi.... asalu ee gola evitayya maaku... unbiased estimator ela pick up sesthar....for a given sample??? How is sample mean an unbiased estimator of the population. Is that taken as a given after taking all possible samples of size "n" of the given population and setting some sort of asymptotic convergence to the population mean??