Mathematics, 15.01.2020 08:31 hernandez48tur

Asample of 10 measurements has a mean of 15.7 and a sample of 20 measurements has a mean of 14.3. find the mean of all 30 measurements

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Asample of 10 measurements has a mean of 15.7 and a sample of 20 measurements has a mean of 14.3. fi...

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