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Definition: The associative property states that you can add or multiply regardless of how the numbers are grouped. By 'grouped' we mean 'how you use parenthesis'.In other words, if you are adding or multiplying it does not matter where you put the parenthesis. Add some parenthesis any where you like!.1  Properties.xamplesof the Associative Property for Addition. The picture below illustrates that it does not matter whether or not we add the 2 + 7 first (like the left side) or the 7 + 5 first, like the right side.
Arithmetic mean is commonly referred to as average or simply as mean. A mathematical representation of the typical value of a series of numbers, computed as the sum of all the numbers in the series divided by the count of all numbers in the series.