kassinorth1 kassinorth1

17-03-2018
Mathematics

contestada

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.

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angelj0225p2rkhf angelj0225p2rkhf

18-03-2018

33.3..........................................

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