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Mathematics, 15.07.2019 19:30 cthompson1107

What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the 92 measurements is 7.0 centimeters. (2) the average of the last 2 measurements is 7.2 centimeters?

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What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measureme...
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