the average(arithmetic mean) of 50 measurements is 34.6, and the

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the average(arithmetic mean) of 50 measurements is 34.6, and the least and the greatest of the measurements are 18.3 and 51.7 respectively.

Quantity A

The median of the 50 measurements

Quantity B

34.6

A、Quantity A is greater.
B、Quantity B is greater.
C、The two quantities are equal.
D、The relationship cannot be determined from the information given.

答案：D

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