Mathematics, 27.11.2019 03:31, joelpimentel

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 st...