Mathematics, 16.11.2020 09:10 noorshular

The standard deviation of a sample taken from population A is 17.6 for a sample of 25. The standard deviation of a sample taken from population B is 21.2 for a sample of 30.
The standard deviation of the sample mean differences is
(Round your answer to the nearest hundredth.)
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The standard deviation of a sample taken from population A is 17.6 for a sample of 25. The standard...

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