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Language/Type: C# arrays
Author: Eric Roberts (on 2017/07/08)

Write a method named Mean that accepts an array of real numbers as a parameter and returns the arithmetic mean (average) of the numbers in the array as a real number. For example, if the array passed contains {2.0, 4.5, 6.5, 1.0}, your method should return 3.5. If the array is empty, return 0.0. Do not modify the array that is passed in.

Method: Write a C# method as described, not a complete program or class.

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