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History, 26.02.2020 16:55 JuanTorres7

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. 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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