Write a method named mean that accepts as a parameter an ArrayList of real numbers, and returns the arithmetic mean (average) of the integers in the list as a real number. For example, if the list passed contains {2.0, 4.5, 6.5, 1.0}, your method should return 3.5. If the list is empty, return 0.0. Do not modify the list that is passed in.
Write a method named mean that accepts as a parameter an ArrayList of real numbers, and returns the arithmetic mean (average) of the integers in the list as a real number. For example, if the list passed contains {2.0, 4.5, 6.5, 1.0}, your method should return 3.5. If the list is empty, return 0.0. Do not modify the list that is passed in.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Write a method named mean that accepts as a parameter an ArrayList of real numbers, and
returns the arithmetic mean (average) of the integers in the list as a real number. For example, if the
list passed contains {2.0, 4.5, 6.5, 1.Ø}, your method should return 3.5. If the list is empty,
return Ø.0. Do not modify the list that is passed in.
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