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Write a method called arrayAverage() that takes an array of zero or more integer values, and computes the average (mean) of all values in...
X214: arrayAverage
Write a method called arrayAverage() that takes an array of zero or more integer values, and computes the average (mean) of all values in the array, or zero if there are no values.
Examples:
arrayAverage({1, 2, 3}) -> 2
arrayAverage({3, 4}) -> 3.5
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