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Sample Mean Minus Population Mean

Sample Mean Minus Population Mean. In other words, as n grows larger, the variance becomes smaller . This means that the sample mean is not systematically smaller or larger than the population mean.

Sample Mean Symbol X Bar Definition Standard Error
Sample Mean Symbol X Bar Definition Standard Error from www.statisticshowto.com
The mean of the sample means will equal the population mean. Previously we have considered how to test the null hypothesis that there is no difference between the mean of a sample and the population mean, . Our result indicates that as the sample size n increases, the variance of the sample mean decreases.

If x has a distribution with mean μ, and standard deviation σ, and is .

That suggests that on the previous page, if the instructor . The statistic used to estimate the mean of a population, μ, is the sample mean,. This means that the sample mean is not systematically smaller or larger than the population mean. In other words, as n grows larger, the variance becomes smaller .


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