Question

What exactly is standard error of the sample mean?

Answer 1

In particular, the standard error of asample statistic (such as sample mean) is the actual or estimatedstandard deviation of the error in the process by which it was generated. In other words, it is the actual or estimated standard deviation of the sampling distribution of the samplestatistic.

Answer 2

In particular, the standard error of a sample statistic (such as sample mean) is the actual or estimated standard deviation of the error in the process by which it was generated. In other words, it is the actual or estimated standard deviation of the sampling distribution of the sample statistic.

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