Mathematics, 04.03.2021 15:40 dbenitezmontoya3

- A sample of 10 measurements has a mean of 15.7 and a sample of the other 20 measurements has a mean of 14.3. Find the mean of all 30 measurements.
Give your answer correct to one decimal place.

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- A sample of 10 measurements has a mean of 15.7 and a sample of the other 20 measurements has a me...