A random sample of 100 observations was taken from the population. The mean of the sample is 400, and standard error is 10. What is the estimated mean and standard deviation of the population?

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- April 11th 2011, 05:54 PMjgjimcatHypothesis Testing help/ please show work
A random sample of 100 observations was taken from the population. The mean of the sample is 400, and standard error is 10. What is the estimated mean and standard deviation of the population?

- April 11th 2011, 06:04 PMpickslides
The standard error is

In your case solve for - April 11th 2011, 06:54 PMSambit
And the mean will be same as that of the sample.