The Random Error in the arithmetic mean of 100 observations is x, then random error in the arithmetic mean of 400 observations would be??

Asked by  | 5th May, 2012, 07:57: PM

Expert Answer:

The Random Error in the arithmetic mean of 100 observations is x, then random error in the arithmetic mean of 400 observations would be x/4 or 1/4 times x

Answered by  | 8th May, 2012, 11:58: AM

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